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Number theory

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• Algebra

• Number theory -- Applications of analysis
• Number theory -- Congresses
• Number theory -- Data processing
• Number theory -- Early works to 1800
• Number theory -- History
• Number theory -- Periodicals
• Number theory -- Psychology
• Algebraic number theory
• Combinatorial number theory
• Cyclotomy
• Diophantine analysis
• Euclidean algorithm
• Factor tables
• Factorials
• Forms, Quadratic
• Galois theory
• Geometry of numbers
• Hardy-Littlewood method
• L-functions
• Magic squares
• Modular functions
• Modular groups
• Numeration
• Partitions (Mathematics)
• Recursive functions
• Sieves (Mathematics)
• Smarandache notions
• Transfinite numbers

• Numbers, Theory of
• Number study

• Elementary Number Theory: Primes, Congruences, and Secrets (free online edition, 2011), by William A. Stein (PDF with commentary at wstein.org)
• The Theory of Numbers, and Diophantine Analysis (originally published as two books in 1914 and 1915; combined reprint edition New York: Dover Publications, ca. 1959), by R. D. Carmichael (page images at HathiTrust)
• An Introduction to the Theory of Numbers (West Lafayette, IN: The Trillia Group, c1957), by Leo Moser (PDF files with commentary at trillia.com)
• An Elementary Investigation of the Theory of Numbers, by Peter Barlow (page images at Cornell)
• The Elements of the Theory of Algebraic Numbers, by Legh Wilber Reid, contrib. by David Hilbert (page images at Cornell)
• The General Theory of Dirichlet's Series, by G. H. Hardy and Marcel Riesz (page images at Cornell)
• Lehrbuch der Algebra (second edition, 3 volumes in German; Braunschweig: F. Vieweg and Son, 1898-1908), by Heinrich Weber
  • Volume 1: multiple formats at archive.org
  • Volume 2: multiple formats at Google
  • Volume 2: multiple formats at archive.org
  • Volume 3: multiple formats at archive.org
• The Metaphysics of Aristotle, Translated From the Greek, With Copious Notes, in Which the Pythagoric and Platonic Dogmas Respecting Numbers and Ideas are Unfolded From Antient Sources; To Which is Added, A Dissertation on Nullities and Diverging Series (London: Printed for the author, 1801), by Aristotle and Thomas Taylor
  • multiple formats at archive.org
  • page images at HathiTrust
• Traité d'Algèbre Supérieure (3 volumes in 1, in French from the second German edition; Paris: Gauthier-Villars, 1898), by Heinrich Weber, trans. by J. Griess (page images at HathiTrust)
• The theory of numbers (J. Wiley & Sons, inc.; [etc., etc.], 1914), by R. D. Carmichael (page images at HathiTrust)
• Leopold Kronecker's Werke. (B. G. Teubner, 1895), by Leopold Kronecker, Kurt Hensel, and Deutsche Akademie der Wissenschaften zu Berlin (page images at HathiTrust; US access only)
• Questions d'arithmétique (Vuibert, 1927), by B. Niewenglowski (page images at HathiTrust; US access only)
• Varia opera mathematica D. Petri de Fermat, senatoris tolosani. : Accesserunt selectæ quædam ejusdem epistolæ, vel ad ipsum à plerisque doctissimis viris gallicè, latinè, vel italicè, de rebus ad mathematicas disciplinas, aut physicam pertinentibus scriptæ (Novo invento usi iterum expresserunt R. Friedlaender & filius, 1861), by Pierre de Fermat, of Perga Apollonius, and Samuel de Fermat (page images at HathiTrust)
• Gesammelte abhandlungen von Hermann Minkowski (B. G. Teubner, 1911), by H. Minkowski, Hermann Weyl, Andreas Speiser, and David Hilbert (page images at HathiTrust; US access only)
• Niedere Zahlentheorie (B. G. Teubner, 1902), by Paul Gustav Heinrich Bachmann (page images at HathiTrust; US access only)
• Zahlentheorie : versuch einer Gesammtdarstellung dieser Wissenschaft in ihren Haupttheilen (B. G. Teubner, 1872), by Paul Bachmann (page images at HathiTrust; US access only)
• Sur les principes fondamentaux de la théorie des nombres et de la géométrie (C. Hérissey], 1902), by H. Laurent (page images at HathiTrust)
• Psychologie du nombre et des opérations élémentaires de l'arithmétique : la genèse des premières notions de l'arithmétique, notions de suite, de nombre, de somme et de différence roduit et quotient / par S. Santerre ; avec une préface par Pierre Janet. (Octave Doin, 1907), by S. Santerre (page images at HathiTrust; US access only)
• Lehrbuch der Algebra (F. Vieweg und Sohn, 1895), by Heinrich Weber (page images at HathiTrust)
• Leçons sur les nombres transfinis (Gauthier-Villars et cie, 1928), by Waclaw Sierpinski (page images at HathiTrust)
• The structure of arithmetic and algebra. (Wiley, 1958), by May Hickey Maria (page images at HathiTrust)
• Lehrbuch der Algebra (F. Vieweg und Sohn, 1898), by Heinrich Weber (page images at HathiTrust)
• Leçons d'arithmétique, théorique et pratique (A. Colin & Cie, 1894), by Jules Tannery (page images at HathiTrust)
• Combinatory analysis (The University Press, 1915), by Percy Alexander MacMahon (page images at HathiTrust)
• The number-system of algebra, treated theoretically and historically. (Heath, 1903), by Henry B. Fine (page images at HathiTrust)
• Algebra, mit einschluss der elementaren zahlentheorie (G.J. Goschen, 1899), by Otto Pund (page images at HathiTrust; US access only)
• Cours d'algèbre supérieure (Gauthier-Villars, 1885), by J.-A. Serret (page images at HathiTrust)
• Introduction à l'étude de ;a théorie des nombres et de l'algèbre supérieure (Nony & cie, 1895), by Emile Borel, Jules Tannery, and Jules Joseph Drach (page images at HathiTrust)
• Grundlehren der neurener Zahlentheorie (G. J. Göschen, 1907), by Paul Gustav Heinrich Bachmann (page images at HathiTrust; US access only)
• An elementary investigation of the theory of numbers, with its application to the indeterminate and diophantine analysis, the analytical and geometrical division of the circle, and several other curious algebraical and arithmetical problems ... (J. Johnson & Co., 1811), by Peter Barlow (page images at HathiTrust)
• Elements of the theory of integers (The Macmillan company;, 1903), by Joseph Bowden (page images at HathiTrust; US access only)
• Elements of the theory of integers (The author, 1931), by Joseph Bowden (page images at HathiTrust)
• Special topics in theoretical arithmetic (J. Bowden, 1936), by Joseph Bowden (page images at HathiTrust)
• The real number system (Allyn and Bacon, 1960), by Grace E. Bates and Fred Ludwig Kiokemeister (page images at HathiTrust)
• Excursions arithmétiques à l'infini (A. Hermann, 1885), by Ernesto Cesàro (page images at HathiTrust)
• Leçons sur la théorie des nombres (Modules. Entiers algébriques. Réduction continuelle.) (Gauthier-Villars, 1913), by Albert Chatelet (page images at HathiTrust; US access only)
• Elementar-zahlenlehre zum Gebrauch für Schulen und Selbstlernende, auch als Leitfaden bey akademischen Vorlesungen. Nebst einem Anhang, enthaltend Grundlinien der allgemeinen Grossenlehre. (Palm und Enke, 1816), by Martin Ohm (page images at HathiTrust)
• Diophantische approximationen; eine einführung in die zahlentheorie (B.G. Teubner, 1907), by H. Minkowski (page images at HathiTrust; US access only)
• The real number system in an algebraic setting. (W. H. Freeman, 1962), by Joe Roberts (page images at HathiTrust)
• Anfangsgründe der Zahlenlehre (F. Viewig, 1902), by Gustav Wertheim (page images at HathiTrust; US access only)
• Untersuchungen über verschiedene anwendungen der infinitesimalanalysis auf die zahlentheorie (W. Englemann, 1897), by Peter Gustav Lejeune Dirichlet and Robert Karl Hermann Haussner (page images at HathiTrust)
• Geometrie der Zahlen (Teubner, 1910), by H. Minkowski (page images at HathiTrust; US access only)
• Mémoire sur les systèmes modulaires de Kronecker (Gauthier-Villars, 1901), by Harris Hancock (page images at HathiTrust; US access only)
• Décompostition de an̳±bn̳ en facteurs dans le cas où nab est un carré farfait, avec une table des décompositions numériques pour toutes les valeurs de a et b inférieurs à 100. (Gauthier-Villars, 1922), by Maurice Kraitchik (page images at HathiTrust; US access only)
• Elemente der Zahlentheorie (B. G. Teubner, 1887), by Gustav Wertheim (page images at HathiTrust)
• Vorlesungen über zahlentheorie. Einfuhrung in die theorie der algebraischen zahlkorper (B. G. Teubner, 1907), by J. Sommer (page images at HathiTrust; US access only)
• The natural numbers (Heath, 1963), by Richard L. Spreckelmeyer and Kenneth Mustain (page images at HathiTrust)
• Der Zahlbegriff seit Gauss; eine erkenntnistheoretische Untersuchung. (M. Niemeyer., 1926), by Gerhard Stammler (page images at HathiTrust; US access only)
• Théorie des nombres. Traité de l'analyse indéterminée du second degré a deux inconnues; suivi de l'application de cette analyse à la recherche des racines primitives avec une table de ces racines pour tous le nombres premiers compris entre 1 et 10000. Mémoire présenté à l'Académie des sciences et inséré, après rapport, au recueil des savants étrangers. (L Hachette et cie, 1852), by Eugène Desmarest and Hachette (Firm) (page images at HathiTrust)
• Essai sur la théorie des nombres : premiers éléments (Gauthier-Villars et fils, 1895), by Thomas Jan Stieltjes (page images at HathiTrust)
• Die axiome der arithmetik mit besonderer berücksichtigung der beziehungen zur mengenlehre ... (Druck der Dieterichschen universitäts-buch-druckerei (W. F. Kaestner), 1910), by Kurt Grelling (page images at HathiTrust; US access only)
• The elements of the theory of algebraic numbers (The Macmillan company, 1910), by Legh Wilber Reid (page images at HathiTrust)
• Group properties of the residue classes of certain Kronecker modular systems and some related generalizations in number theory (Press of the New era printing company, 1915), by Edward August Theodore Kircher (page images at HathiTrust)
• Einführung in die elemetare und analytische Theorie der algebraischen Zahlen und der Ideale. (B. G. Teubner, 1918), by Edmund Landau (page images at HathiTrust; US access only)
• Algebraic arithmetic. (American Mathematical Society, 1927), by Eric Temple Bell (page images at HathiTrust)
• Introduction to algebraic number theory. (Ohio State University Press, 1955), by Henry B. Mann (page images at HathiTrust)
• On the classification of the elements of a ring (Lancaster press, inc. 1927?], 1927), by Ruby Usher Hightower (page images at HathiTrust)
• The continuum as a type of order; an exposition of the modern theory, with an appendix on the transfinite numbers. (Cambridge, Mass., 1905), by E. V. Huntington (page images at HathiTrust)
• Éléments de la théorie des nombres : congruences, formes quadratiques, nombres incommensurables, questions diverses (Gauthier-Villars, 1900), by E. Cahen (page images at HathiTrust)
• Théorie des nombres (A. Hermann, 1914), by E. Cahen (page images at HathiTrust)
• Was sind und was sollen die Zahlen? (F. Vieweg, 1893), by Richard Dedekind and W. V. Quine (page images at HathiTrust)
• Theoretische Arithmetik (Teubner, 1900), by Otto Stolz and J. A. Gmeiner (page images at HathiTrust)
• Modern elementary theory of numbers (The University of Chicago press, 1939), by Leonard E. Dickson (page images at HathiTrust)
• Théorie générale des nombres : definitions fondamentales ([Paris ;, 1915), by É. Dumont (page images at HathiTrust)
• Recherches arithmétiques (Courcier, 1807), by Carl Friedrich Gauss and A.-C.-M. Poullet-Delisle (page images at HathiTrust)
• Carl Friedrich Gauss' Untersuchungen über höhere Arithmetik. (Disquistiones arithmeticae. Theorematis arithmetici demonstratio nova. Summatio quarumdam serierum singularium. Theorematis fundamentalis in doctrina de residuis quadraticis demonstrationes et ampliationes novae. Theoria residuorum biquadraticorum, commentatio prima et secunda, etc.) (J. Springer, 1889), by Carl Friedrich Gauss and Hermann Maser (page images at HathiTrust)
• Elementary theory of numbers. (McGraw-Hill, 1954), by Harriet Griffin (page images at HathiTrust)
• Vorlesungen über die Theorie der algebraischen Zahlen. (Akademische Verlagsgesellschaft, 1923), by Erich Hecke (page images at HathiTrust)
• Vorlesungen über die Theorie der algebraischen Zahlen. (Chelsea Pub. Co., 1948), by Erich Hecke (page images at HathiTrust)
• Vorlesungen über die Zahlentheorie der Quaternionen (J. Springer, 1919), by Adolf Hurwitz (page images at HathiTrust; US access only)
• Grandeurs et nombres: Arithmétique générale. Définitions et propriétés fondamentales des grandeurs géométriques et de leurs mesures: nombres naturels, qualifiés, complexes, ternions et quaternions. (A. Hermann & flls, 1911), by Émile Dumont (page images at HathiTrust; US access only)
• Zahlentheorie ... (G. J. Göschen, 1913), by Kurt 1861-1941 Hensel (page images at HathiTrust; US access only)
• Retracing elementary mathematics (Macmillan, 1962), by Leon Henkin (page images at HathiTrust)
• De numeris libri duo (F.lli Drucker, 1901), by Jan van Bronchorst and G. Frizzo (page images at HathiTrust)
• Essenza e significato dei numeri. Continuità e numeri irrazionali. (Casa editrice Alberto Stock, 1926), by Richard Dedekind and Oscar Zariski (page images at HathiTrust)
• Algebra and number theory. [Lectures given at] a summer institute for teachers of secondary and college mathematics (Williams College, 1956), by Burton W. Jones (page images at HathiTrust)
• Ausgewählte Kapitel der Zahlentheorie (Göttingen, 1896), by Felix Klein, Philipp Furtwängler, and Arnold Sommerfeld (page images at HathiTrust)
• Recherches sur la théorie des nombres (Gauthier-Villars, 1924), by Maurice Kraitchik (page images at HathiTrust; US access only)
• Théorie des nombres (Gauthier-Villars et cie, 1922), by Maurice Kraitchik (page images at HathiTrust; US access only)
• Die elemente der arithmetik ... (Berlin, 1872), by Ernst Kossak (page images at HathiTrust)
• Vorlesungen über Zahlentheorie (S. Hirzel, 1927), by Edmund Landau (page images at HathiTrust; US access only)
• Théorie des nombres. (A., Hermann, 1900), by A. M. Legendre (page images at HathiTrust; US access only)
• Zahlentheorie (B.G. Teubner, 1886), by A. M. Legendre and H. Maser (page images at HathiTrust)
• Vorlesungen über Zahlentheorie. (F. Vieweg und Sohn, 1871), by Peter Gustav Lejeune Dirichlet and Richard Dedekind (page images at HathiTrust)
• Vorlesungen über zahlentheorie (F. Vieweg und sohn, 1879), by Peter Gustav Lejeune Dirichlet, Richard Dedekind, and Friedr. Vieweg & Sohn (Firm) (page images at HathiTrust)
• Lezioni sulla teoria dei numeri (Tipografia Emiliana, 1881), by Peter Gustav Lejeune Dirichlet, Richard Dedekind, and Aureliano Faifofer (page images at HathiTrust)
• Theory of numbers. Part 1. (Deighton, Bell and co.,;, 1892), by G. B. Mathews (page images at HathiTrust)
• Theory of numbers. (Chelsea Pub. Co., 1900), by G. B. Mathews (page images at HathiTrust; US access only)
• ... Algebraic numbers. Report of the Committee on Algebraic Numbers, National Research Council (Published by the National Research Council of the National Academy of Sciences, 1923), by National Research Council (U.S.). Committee on Algebraic Numbers, Harry Shultz Vandiver, Howard Hawks Mitchell, and Leonard E. Dickson (page images at HathiTrust)
• Integral bases (The University press, 1927), by William Edward Hodgson Berwick (page images at HathiTrust; US access only)
• Lezioni sulla teoria dei numeri algebrici. (E. Spoerri, 1923), by Luigi Bianchi (page images at HathiTrust; US access only)
• Die theorie der zahlstrahlen. (Marburg, 1905), by Rudolf Fueter (page images at HathiTrust; US access only)
• On the reduction of Kronecker's modular systems (Longman, Green and co., 1894), by Harris Hancock (page images at HathiTrust)
• The general theory of Dirichlet's series (University Press, 1915), by G. H. Hardy and Marcel Riesz (page images at HathiTrust; US access only)
• Bidrag til de Dirichlet'ske raekkers theori. (I kommission hos G.E.C. Gad, 1910), by Harald August Bohr (page images at HathiTrust; US access only)
• Die unbestimmte Analytik. (Im Verlage der Helwing' schen Hofbuchhandlung, 1854), by Hermann Scheffler (page images at HathiTrust)
• Der begriff der zahl in seiner logischen und historischen entwicklung (B. G. Teubner, 1911), by Heinrich Wieleitner (page images at HathiTrust)
• Der Begriff der Zahl in seiner logischen und historischen Entwicklung (B.G. Teubner, 1927), by Heinrich Wieleitner (page images at HathiTrust)
• Introduction à la théorie des nombres algébriques. Éd. française rev. et augm. (A. Hermann et fils, 1911), by J. Sommer and Albert Lévy (page images at HathiTrust)
• Elemente der Zahlen-Theorie (H. W. Schmidt, 1855), by Hermann Cuno Schwarz (page images at HathiTrust)
• Beiträge zur Zahlentheorie, insbesondere zur Kreis- und Kugeltheilung mit einem Nachtrage zur Theorie der Gleichungen... (F. Foerster, 1891), by Hermann Scheffler (page images at HathiTrust)
• Vorlesungen über Zahlen- und Funktionenlehre. (B.G. Teubner, 1916), by Alfred Pringsheim (page images at HathiTrust)
• Introduzione alla analisi matematica. (A. Hermann & fils, 1916), by Beppo Levi (page images at HathiTrust)
• Lehrbuch der Algebra (F. Vieweg & Sohn, 1912), by Heinrich Weber (page images at HathiTrust)
• History of the theory of numbers ... (Carnegie Institution of Washington, 1919), by Leonard E. Dickson (page images at HathiTrust)
• Essays on number theory. ([New Haven?, 1960), by School Mathematics Study Group (page images at HathiTrust)
• Theorie der algebraischen Zahlen. (B. G. Teubner, 1908), by Kurt Hensel (page images at HathiTrust)
• Vorlesungen über die singulären Moduln und die komplexe Multiplikation der elliptischen Funktionen (B. G. Teubner, 1924), by Rudolf Fueter and Rudolf Max Gut (page images at HathiTrust)
• Elliptische functionen und algebraische zahlen. (F. Vieweg und sohn, 1891), by Heinrich Weber (page images at HathiTrust)
• Les fonctions abéliennes et la théorie des nombres (É. Privat, 1912), by Gaston Alfred Cotty (page images at HathiTrust)
• Théorie des nombres (Gauthier-Villars, 1891), by Edouard Lucas (page images at HathiTrust)
• T︠s︡eloe chislo : istoricheskiĭ ocherk, s 24 portretami i risunkami v tekste, i otdeln̕oĭ tablit︠s︡eĭ (Petrograd,̕, 1922), by A. V. Vasilʹev (page images at HathiTrust)
• Synthetische Zahlentheorie (W. de Gruyter & co., 1921), by Rudolf Fueter (page images at HathiTrust)
• Zahl und gestalt bei Platon und Aristoteles (B. G. Teubner, 1924), by Julius Stenzel (page images at HathiTrust; US access only)
• Théorie générale des séries de Dirichlet (Gauthier-Villars et cie, 1926), by Georges Valiron (page images at HathiTrust)
• Essai sur la théorie des nombres (Courcier, 1808), by A. M. Legendre (page images at HathiTrust)
• Vorlesungen über Zahlentheorie (B.G. Teubner, 1901), by Leopold Kronecker and Kurt Hensel (page images at HathiTrust)
• Essays on the theory of numbers I. Continuity and irrational numbers, II. The nature and meaning of numbers. (Open Court Publishing Company, 1901), by Richard Dedekind and Wooster Woodruff Beman (page images at HathiTrust)
• Allgemeine Arithmetik der Zahlenkörper (B. G. Teubner, 1905), by Paul Bachmann (page images at HathiTrust)
• Eine Anwendung der Zetafunktionen auf die Idealzerlegung und Diskriminantenbestimmung in Klassenkörpern (Lütcke & Wulff, 1921), by Carl Raabe (page images at HathiTrust; US access only)
• Über die Relativklassenzahl gewisser relativquadratischer Zahlkörper ... (Hamburg, 1921), by Kurt Reidemeister (page images at HathiTrust; US access only)
• Über Tetraeder mit rationalen Masszahlen der Kantenlängen und des Volumens (Gebauer-Schwetschke, 1914), by Otto Schulz (page images at HathiTrust)
• Über Gauss' zahlentheoetische Arbeiten (B. G. Teubner, 1911), by Paul Gustav Heinrich Bachmann (page images at HathiTrust)
• Lehrbuch der algebra, verfasst mit benutzung von Heinrich Webers gleichnamigem buche. (Braunschweig, 1924), by Robert Fricke (page images at HathiTrust)
• Les spectres numériques (Gauthier-Villars, 1919), by Mihailo Petrović (page images at HathiTrust)
• Theory of numbers : Part I (London, G. Bell and Sons, 1892, 1892), by G. B. Mathews (page images at HathiTrust)
• Algoritmia; principios fundamentales de la ciencia de los números (Roel, 1918), by Ramón M. Aller Ulloa (page images at HathiTrust; US access only)
• Elementos de análisis numérico y de la teoría de los números (V. Suárez, 1921), by Eduardo Arechavaleta (page images at HathiTrust; US access only)
• Neue Anwendungen der Pfeifferschen Methode zur Abschätzung zahlentheoretischer Funktionen (W. Fr. Kaestner, 1914), by Detlef Cauer (page images at HathiTrust; US access only)
• Was sind und was sollen die zahlen. (Braunschweig, 1918), by Richard Dedekind (page images at HathiTrust; US access only)
• Synthetische zahlentheorie (W. de Gruyter., 1925), by Rudolf Fueter (page images at HathiTrust; US access only)
• Die zahlenlehre oder arithmetik streng wissenschaftlich in strenger formelentwicklung. (R. Grassmann, 1891), by Robert Grassmann (page images at HathiTrust)
• Anfangsgrunde der hoheren Arithmetik. (G. Reimer, 1832), by Ferdinand Minding (page images at HathiTrust)
• Ėvoli͡ut͡sīi͡a poni͡atīi͡a o chisli͡e. (Tip. Imp. Akademīi nauk, 1899), by Mikhail Sergeevich Volkov (page images at HathiTrust; US access only)
• Nuova proprietà delle potenze de 'numeri. ([n.p., 1700), by Giuseppe Maria Asclepi (page images at HathiTrust)
• Fundamental congruence solutions : giving one root (y) for every congruence y[superscript xi] = +1 (mod p and p[superscript kappa]) for all primes and prime powers < 10,000 (Francis Hodgson, 1923), by Allan Cunningham and T. G. Creak (page images at HathiTrust; US access only)
• Ni͡ekotoryi͡a prilozhenīi͡a nepreryvnykh parametrov k teorīi chisel. (Tip. I͡U.N. Ėrlikh, 1910), by J. V. Uspensky (page images at HathiTrust; US access only)
• Geschichte der Gleichung t℗-Du℗=1 (S. Hirzel, 1901), by H. Konen (page images at HathiTrust; US access only)
• Exercices d'analyse numérique : extraits, commentaires et recherches relatifs à l'analyse indéterminée et à la théorie des nombres (Leiber et Faraguet, éditeurs, 1859), by V.-A. Lebesgue (page images at HathiTrust)
• Teoria dei numeri primi ... Cenno sui numeri perfetti e amicabili e un'appendice sui criteri di divisibilità per 7 e per 11. (F. Cinquetti, 1913), by Giuseppe Cappelletti (page images at HathiTrust; US access only)
• Diophantische approximationen; eine einführung in die zahlentheorie (B.G. Teubner, 1927), by H. Minkowski (page images at HathiTrust; US access only)
• Über den Klassenkörper eines algebraischen Zahlkörpers ... (Dieterich, 1903), by Felix Bernstein (page images at HathiTrust; US access only)
• Théorie des nombres. (Gauthier-Villars, 1922), by Maurice Kraitchik (page images at HathiTrust; US access only)
• Über die zahlentheoretischen Formeln Liouville's (Zürcher & Furrer, 1907), by Ernst Meissner (page images at HathiTrust; US access only)
• Introduction à la théorie des nombres (Mallet-Bachelier, 1862), by V.-A. Le Besgue (page images at HathiTrust)
• Essays on the theory of numbers, I. Continuity and irrational numbers, II. The nature and meaning of numbers. (The Open Court Publishing Company, 1924), by Richard Dedekind (page images at HathiTrust)
• Zahlentheorie (Teubner, 1921), by Paul Bachmann (page images at HathiTrust; US access only)
• Lezioni sulla teoria dei numeri algebrici e principi d'aritmetica analitica. Corso d'analisi 1920-21, 2⁰ semestre. (E. Spoerri, 1921), by Luigi Bianchi (page images at HathiTrust)
• Zahlentheorie, v.1-5. (1921), by Paul Gustav Heinrich Bachmann (page images at HathiTrust)
• Propiedades elementales relativas á la divisibilidad de los números enteros. (Valladolid, 1881), by Ricardo Vazquez Illá (page images at HathiTrust)
• The cardinal numbers : with an introductory chapter on numbers generally (Sampson Low, Marston, Searle, & Rivington, 1887), by Manley Hopkins (page images at HathiTrust)
• Leçons d'arithmétique théorique et pratique (A. Colin, 1906), by Jules Tannery (page images at HathiTrust; US access only)
• Leçons d'arithmétique théorique et pratique (A. Colin, 1917), by Jules Tannery (page images at HathiTrust; US access only)
• Irrationals and rational number theory (L.E. Schlytter, 1950), by Leslie Evan Schlytter (page images at HathiTrust)
• Beiträge zur Theorie der Gleichungen. (Leipzig, 1891), by Hermann Scheffler (page images at HathiTrust)
• Theoretische arithmetik (B. G. Teubner, 1902), by Otto Stolz and Joseph Anton Gmeiner (page images at HathiTrust)
• Recherches sur la théorie des nombres avec une preface de Ch. J. de la Vallée Poussin. (Gauthier-Villars, 1924), by Maurice Kraitchik (page images at HathiTrust; US access only)
• Leçons d'arithmétique, théorique et pratique. (A. Colin, 1900), by Jules Tannery (page images at HathiTrust; US access only)
• Some famous problems of the theory of numbers and in particular Waring's problem; an inaugural lecture delivered before the University of Oxford (Claredon Press, 1920), by G. H. Hardy (page images at HathiTrust)
• Einige Sätze über Relativ-Kummer'sche Körper (Leemann, 1925), by Hans Brändli (page images at HathiTrust)
• Dirichlets Satz von der arithmetischen Reihe für den Körper der dritten Einheitswurzeln (C. & J. Goeller, 1907), by Hermann Bresslau (page images at HathiTrust)
• Zur Theorie der Dirichlet'schen Reihen. (Appelberg, 1920), by Sven Wennberg (page images at HathiTrust; US access only)
• Het arithmetisch continuum (P. Noordhoff, 1924), by Johannes Thie (page images at HathiTrust)
• Verallgemeinerung der Untersuchungen von Gauss über das arithmetisch-geometrische Mittel (August Hoffmann, 1911), by Ewald Pickert (page images at HathiTrust; US access only)
• Die primitiven Wurzeln im allgemeinen Zahlkörper (Werkgemeinschaft, 1927), by Johannes Strauch (page images at HathiTrust; US access only)
• Arithmetische Theorie eines Galoisschen Körpers (Marburg, 1907), by Friedrich Hüttig (page images at HathiTrust; US access only)
• Ueber die Darstellung ganzer zahlen als Summen von sieben kuben (Buch. Hohmann, 1920), by Julius Fritz Post (page images at HathiTrust; US access only)
• Das quadratische reciprocitätsgesetz im quadratischen zahlkörper mit der classenzahl 1. (Dieterichschen univ.-buchdruckerei (W.F. Kaestner), 1898), by Heinrich Dörrie (page images at HathiTrust)
• Über die Darstellung ganzer Zahlen als Summen von sieben Kuben (Dieterichschen Universitäts-Buchdruckerei, 1925), by Johannes G. A. Arndt (page images at HathiTrust)
• Zwei Beiträge zur Zahlentheorie. (Dieterich, 1919), by Adolf Hammerstein (page images at HathiTrust)
• Zur Hardy-Littlewoodschen behandlung des Goldbachschen Problems. (Dieterich, 1926), by Bruno Lucke (page images at HathiTrust)
• Beiträge zum Waringschen Problem (W. Fr. Kaestner, 1913), by Werner Siegbert Baer (page images at HathiTrust)
• Analytiske studier med anvendelser paa talteorien afhandling for den filosofiske doktorgrad (V. Tryde, 1912), by J. F. Steffensen (page images at HathiTrust; US access only)
• Reśumeś analytiques (lI̕mprimerie Royale, 1833), by Augustin Louis Cauchy (page images at HathiTrust)
• Encyklopädische darstellung der theorie der zahlen und einiger anderer damit in verbindung stehender analytischer gegenstände ... bd. 1. (Berlin, 1845), by A. L. Crelle (page images at HathiTrust)
• Cours d'algèbre supérieure : professé a la Faculté des sciences de Paris (Bachelier, 1849), by J.-A. Serret (page images at HathiTrust)
• Niedere Zahlentheorie. (B.G. Teubner, 1902), by Paul Gustav Heinrich Bachmann (page images at HathiTrust; US access only)
• Un algorithme pour l'approximation simultanée de deux grandeurs ... (Imprimerie Soullier, 1905), by Louis Kollros (page images at HathiTrust)
• ... Théorie des corps de nombres algébriques. Ouvrage traduit de l'allemand, par A. Lévy ... et Th. Got... (A. Hermann et fils, 1911), by David Hilbert, Georges Humbert, Théophile 1873- Got, A. Levy, and Faculté des sciences de Toulouse (page images at HathiTrust)
• Gli elementi della teoria dei numeri (Drucker, 1903), by Paolo Gazzaniga (page images at HathiTrust)
• Die zahlenlehre oder arithmetik in strenger formelentwicklung. (Stettin, 1900), by Robert Grassmann (page images at HathiTrust)
• Handbuch der höheren Algebra (B.G. Teubner, 1878), by J.-A. Serret (page images at HathiTrust)
• Théorie des nombres parfaits (Chez l'auteur;, 1883), by Jules Carvallo (page images at HathiTrust)
• The general theory of Dirichlet's series (University press, 1952), by G. H. Hardy and Marcel Riesz (page images at HathiTrust)
• Über eine geometrische Deutung unendlicher Kettenbrüche und ihre Approximation durch rationale Zahlen (Orell Füssli, 1928), by Jean Züllig (page images at HathiTrust)
• Das Primzahlengesetz, entwickelt und dargestellt auf Grund der Gestalttheorie. (O. R. Reisland, 1922), by Christian Ehrenfels and Paul Kuhn (page images at HathiTrust)
• Cours d'algèbre supérieure (Gauthier-Villars, 1877), by J.-A. Serret (page images at HathiTrust)
• Cours d'algèbre supérieure. (Gauthier-Villars, 1928), by J.-A. Serret (page images at HathiTrust)
• Werke, hrsg. auf veranlassung der Königlich Preussischen akademie der wissenschaften. (G. Reimer, 1889), by Peter Gustav Lejeune Dirichlet and Leopold Kronecker (page images at HathiTrust)
• Was sind und was sollen die Zahlen? (F. Vieweg, 1888), by Richard Dedekind (page images at HathiTrust)
• Über rekurrente reihen von höherer, insbesondere von der dritten ordnung ... (Thomas, 1919), by Max Emil Fritz Dräger (page images at HathiTrust)
• Cours d'algèbre supérieure (Gauthier-Villars, 1910), by J.-A. Serret (page images at HathiTrust)
• I numeri & l'infinito (Nicola Zanichelli, 1911), by Federigo Enriques (page images at HathiTrust)
• Essais de psychologie et de métaphysique positives. Arithmétique graphique. Les espaces arithmétiques, leurs transformations (Gauthier-Villars et fils, 1908), by Gabriel Arnoux (page images at HathiTrust)
• Doctrinae analyticae inventum novum : Fermats Briefen an Billy entnommen (O. Salle, 1910), by Jacques de Billy, Paul von Schaewen, and Pierre de Fermat (page images at HathiTrust)
• Einige Bemerkungen über die Gleichung Ax³ + By³ = Cz³ (Jacob Dybwad, 1911), by Axel Thue (page images at HathiTrust)
• Réflexions sur les principes fondamentaux de la théorie des nombres (Bachelier, 1845), by Louis Poinsot (page images at HathiTrust)
• Elementerne af de algebraiske tals teori (København, 1920), by Harald August Bohr, Julius Pál, Johannes Mollerup, T. Bonnesen, and Copenhagen Matematisk forening (page images at HathiTrust)
• Sur certains ensembles de tableaux et leur application a la théorie des nombres (Gauthier-Villars, 1911), by Albert Chatelet (page images at HathiTrust)
• Die Klassenkörper der komplexen Multiplikation und ihr Einfluss auf die Entwicklung der Zahlentheorie (B.G. Teubner, 1911), by Rudolf Fueter (page images at HathiTrust)
• Zahlentheorie (B.G. Teubner, 1893), by A. M. Legendre and H. Maser (page images at HathiTrust)
• Vorlesungen über Zahlenlehre : reelle und komplexe Zahlen, unendliche Algorithmen (B.G. Teubner, 1916), by Alfred Pringsheim (page images at HathiTrust)
• Mathematische Werke. (Vandenhoeck u. Ruprecht, 1970), by Erich Hecke (page images at HathiTrust)
• Vorlesungen über Zahlen-und Funktionenlehre (Johnson Reprint Corp., 1968), by Alfred Pringsheim (page images at HathiTrust)
• Theoretische Arithmetik (B. G. Teubner, 1900), by Otto Stolz and Josef Anton Gmeiner (page images at HathiTrust)
• Theorie der hoogere-machtscongruenties en der hoogere-machtsresten. (Van der Hoek, 1928), by Frederik Schuh (page images at HathiTrust; US access only)
• Sur les groupes du degré p et de l'ordre p(p1̲)[pi], p étant un nombre premier et [pi] un diviseur de p-1. (J. Dybwad, 1897), by Ludvig Sylow (page images at HathiTrust)
• Toepassingen van de theorie der getallen-congruenties in het bijzonder op repeteerende breuken. (Van der Hoek, 1928), by Frederik Schuh (page images at HathiTrust)
• Over het splitsen van geheele positieve getallen in een som van kwadraten. (P. Noordhoff, 1924), by Hendrik Douwe Kloosterman (page images at HathiTrust)
• Recherches arithmétiques (A. Blanchard, 1953), by Carl Friedrich Gauss (page images at HathiTrust)
• Algebra, mit einschluss der elementaren zahlentheorie (G.J. Goschen, 1899), by Otto Pund (page images at HathiTrust)
• Zahlentheorie. (G. J. Göschen, 1913), by Kurt Hensel (page images at HathiTrust)
• Elliptische functionen und algebraische zahlen. Academische vorlesungen (F. Vieweg und sohn, 1891), by Heinrich Weber (page images at HathiTrust)
• Einleitung in die allgemeine Theorie der algebraischen Gröszen (B.G. Teubner, 1903), by Gyula Kőnig (page images at HathiTrust)
• Geschichte der Gleichung t² - Du² = 1. (S. Hirzel, 1901), by H. Konen (page images at HathiTrust)
• Vorlesungen über zahlentheorie; einführung in die theorie der algebraischen zahlkörper. (B. G. Teubner, 1907), by Julius Sommer (page images at HathiTrust)
• Elemente der Zahlentheorie. (Cornell University, 1887), by Gustav Wertheim (page images at HathiTrust)
• Gli elementi della teoria dei numeri. (Drucker, 1903), by Paolo Gazzaniga (page images at HathiTrust)
• Éléments de la théorie des nombres. Congruences. Formes quadratiques. Nombres incommensurables. Questions diverses (Cornell University Library, 1900), by E. Cahen (page images at HathiTrust)
• Introduction à l'étude de la théorie des nombres et de l'algèbre supérieure (Cornell University Library, 1895), by Émile Borel and Jules Drach (page images at HathiTrust)
• Introduction à la théorie des nombres algébriques. (A. Hermann, 1911), by Julius Sommer (page images at HathiTrust)
• Introduction à la théorie des nombres transcendants, et des propriétés arithmétiques des fonctions. (Gauthier-Villars, 1906), by Edmond Théodore Maillet (page images at HathiTrust)
• Sur les principes fondamentaux de la théorie des nombres et de la géométrie (C. Hérissey], 1902), by H. Laurent (page images at HathiTrust)
• Vorlesungen über allgemeine arithmetik, nach den neueren ansichten. (B. G. Teubner, 1885), by Otto Stolz (page images at HathiTrust)
• Ausgewählte kapitel der zahlentheorie... (Cornell University Library, 1896), by Felix Klein, Philipp Furtwängler, and Arnold Sommerfeld (page images at HathiTrust)
• An elementary investigation of the theory of numbers, : with its application to the indeterminate and Diophantine analysis, the analytical and geometrical division of the circle, and several other curious algebraical and arithmetical problems. (Printed for J. Johnson and Co. ..., 1811), by Peter Barlow, John W. Suggett, C. Wood, and J. Johnson and Co (page images at HathiTrust)
• Mémoire sur la théorie des nombres (Imp. Royale, 1833), by Guillaume Libri (page images at HathiTrust)
• De numeris in rerum natura tentamen e mineralogia, botanice et zoologia illustratum (Libraria Arnoldia, 1838), by Albert Sonnenburg (page images at HathiTrust)
• Ueber eine Beweismethode in der Zahlentheorie und einige Anwendungen derselben : insbesondere auf das Reciprocitätsgesetz in der Theorie der quadratischen Reste (Druck der Dietrich'schen univ.-buchdr., 1883), by Edmund Busche (page images at HathiTrust)
• Ein Beitrag zur Lehre von den pythagoreischen zahlen (S. Wolffsohn, 1913), by Dr Mühle (page images at HathiTrust)
• Algebraic, geometric, and stochastic aspects of genetic operators (National Aeronautics and Space Administration ;, 1972), by N. Y. Foo, Jack Bosworth, Langley Research Center, and University of Michigan (page images at HathiTrust)
• Cours d'algèbre supérieure (Gauthier-Villars, 1866), by J.-A. Serret (page images at HathiTrust)
• Ganzzahlige Werte bei Diophant (Lütcke & Wulff, 1905), by C. Büchel (page images at HathiTrust; US access only)
• Handbuch der höheren algebra ... (Leipzig, 1868), by J.-A. Serret and Gustav Wertheim (page images at HathiTrust)
• Über die allgemeinen Reciprocitätsgesetze den Resten und Nichtresten der Potenzen, deren Grad eine Primzahl ist (Druckerei der Königl. Akademie der Wissenschaften, 1859), by Ernst Eduard Kummer (page images at HathiTrust)
• Ausgewählte Kapitel der Zahlentheorie (Leipzig, 1907), by Felix Klein (page images at HathiTrust)
• Zahlentheorie ([1900-1909?], 1900), by H. Minkowski (page images at HathiTrust; US access only)
• Essai sur la théorie des nombres (Chez Duprat, 1798), by A. M. Legendre and Charles Crapelet (page images at HathiTrust)
• Impossibilité de nombre actuellement infini: la science dans les rapports avec la foi. (Gauthier-Villars, 1884), by abbé Moigno (page images at HathiTrust)
• Vorlesungen uber allgemeine arithmetik : nach den neueren ansichten (B. G. Teubner, 2007), by Otto Stolz (page images at HathiTrust; US access only)
• The general theory of Dirichlet's series (University press, 1915), by G. H. Hardy and Marcel Riesz (page images at HathiTrust; US access only)
• Tables of the number of binary decompositions of all even numbers 0 < 2n < 200,000 into prime numbers and lucky numbers (Los Alamos Scientific Laboratory of the University of California ;, 1964), by M. L. Stein, P. R. Stein, U.S. Atomic Energy Commission, and Los Alamos Scientific Laboratory (page images at HathiTrust)
• Recherches arithmétiques (Courcier, 1807), by Carl Friedrich Gauss (page images at HathiTrust)
• Zwei Beiträge zur Zahlentheorie. (Druck der Dieterichschen Universitäts-Buch-druckerei, 1919), by Adolf Hammerstein (page images at HathiTrust; US access only)
• Vorlesungen über Zahlen- und Funktionen-lehre. (B.G. Teubner, 1916), by Alfred Pringsheim (page images at HathiTrust)
• Grundzüge einer arithmetischen theorie der algebraischen grössen ... von L. Kronecker. (G. Reimer, 1882), by Leopold Kronecker (page images at HathiTrust)
• Sur les principes fondamentaux de la théorie des nombres et de la géométrie ([Paris: C. Naud], 1911), by H. Laurent (page images at HathiTrust; US access only)
• Disquisitiones arithmeticae (Apud G. Fleischer, 1801), by Carl Friedrich Gauss (page images at HathiTrust)
• Psychologie du nombre et des opérations élémentaires de l'arithmétique. (O. Doin, 1907), by S. Santerre (page images at HathiTrust; US access only)
• Lehrbuch der algebra (F. Vieweg & sohn, 1898), by Heinrich Weber (page images at HathiTrust; US access only)
• Niedere zahlentheorie (B.G. Teubner, 1921), by Paul Bachmann (page images at HathiTrust)
• Elements of the theory of integers (The Macmillan Co., 1903), by Joseph Bowden (page images at HathiTrust)
• Carl Friedrich Gauss' untersuchungen über höhere Arithmetik. (Disquistiones arithmeticae. Theorematis arithmetici demonstratio nova. Summatio quarumdam serierum singularium. Theorematis fundamentalis in doctrina de residuis quadraticis demonstrationes et amplicationes novae. Theoria residuorum biquadraticorum, commentatio prima et secunda, etc.) (J. Springer, 1889), by Carl Friedrich Gauss and H. Maser (page images at HathiTrust)
• Zahlentheorie; Versuch einer Gesammtdarstellung dieser Wissenschaft in ihrer Haupttheilen. (Teubner, 1892), by Paul Bachmann (page images at HathiTrust)
• Congruences in number theory (1914), by Dora Myrtle Nebel (page images at HathiTrust; US access only)
• Group properties of the residue classes of certain Kronecker modular systems and some related generalizations in number theory (1914), by Edward August Theodore Kircher (page images at HathiTrust)
• Ausgewählte Kapitel aus der Zahlentheorie (B.G. Teubner, 1907), by Felix Klein, Phillip Furtwängler, and Arnold Sommerfeld (page images at HathiTrust; US access only)
• The ground-work of number a manual for the use of primary teachers (Copp, Clark, 1898), by A. S. Rose and S. E. Lang (page images at HathiTrust)
• Théorie élémentaire des nombres d'après Buler, Legendre, Gauss et Cauchy (E. Senécal, 1870) (page images at HathiTrust)
• Algèbre notes sur la composition des facteurs en produits, sur la décomposition en facteurs des quantités algébriques et sur la discussion des problèmes du 1er degré (J.A. Langlais, 1907), by Alfred Fyen (page images at HathiTrust)
• Vorlesungen über zahlentheorie (F. Vieweg und sohn, 1894), by Peter Gustav Lejeune Dirichlet and Richard Dedekind (page images at HathiTrust)
• Primi elementi della teoria dei numeri (Ulrico Hoepli, 1897), by U. Scarpis (page images at HathiTrust)
• O ni͡ekotorykh voprosakh, nakhodi͡ashchikhsi͡a v svi͡azi so schetom prostykh chisel. (Tip. Imp. Akademii͡a nauk, 1901), by I. I. Ivanov (page images at HathiTrust; US access only)
• Sur les lois de réciprocité (A. Hermann, 1898), by X. Stouff (page images at HathiTrust)
• Periodische Dezimalbrüche (A. W. Hayn's Erben, 1895), by Heinrich Carl Theodor Bork (page images at HathiTrust)
• Anwendungen einer vielfach komplexen grösse auf die zahlentheorie ... (Druck von B.G. Teubner, 1893), by Carl Johann von Vieth (page images at HathiTrust)
• Théorie des nombres (Gauthier-Villars, 1961), by Édouard Lucas (page images at HathiTrust; US access only)
• Vorlesungen über zahlen- und funktionenlehre (B.G. Teubner, 1921), by Alfred Pringsheim (page images at HathiTrust)
• Leçons d'arithmétique théorique et pratique. (Paris, 1908), by Jules Tannery (page images at HathiTrust; US access only)
• Three new Mersenne primes, and a conjecture (University of Illinois at Urbana-Champaign, 1964), by Donald Bruce Gillies and University of Illinois at Urbana-Champaign. Department of Computer Science (page images at HathiTrust)
• Essays on the theory of numbers, I. Continuity and irrational numbers, II. The nature and meaning of numbers (The Open court pub. co., 1901), by Richard Dedekind and Wooster Woodruff Beman (page images at HathiTrust)
• The elements of the theory of algebraic numbers (The Macmillan company, 1910), by Legh Wilber Reid (page images at HathiTrust)
• The general theory of Dirichlet's series (University Press, 1915), by G. H. Hardy and Marcel Riesz (page images at HathiTrust)
• Zahlentheorie : Versuch einer Gesammtdarstellung dieser Wissenschaft in ihrer Haupttheilen. (B.G. Teubner, 1898), by Paul Bachmann (page images at HathiTrust)
• Ueber die Zahlen des Herrn H. Schubert. (H. Pohle, 1889), by Gottlob Frege and Friedrich Ludwig Gottlob Frege (page images at HathiTrust)
• Introduction à l'étude de la théorie des nombres et de l'algèbre supérieure (Librairie Nony & Cie., 1895), by Emile Borel, Jules Tannery, and Jules Joseph Drach (page images at HathiTrust)
• Vorlesungen über Zahlen- und Funktionenlehre. (B. G. Teubner, 1921), by Alfred Pringsheim (page images at HathiTrust; US access only)
• Expansion of a 2 x 2 latin square into a 2 x 2 x 2 factorial experiment : a study in metal distillation (Mound Laboratory, 1961), by M. K. Barnett, Mound Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)
• Applications of the theory of elliptic functions to the theory of numbers (University of Chicago Bookstore, 1928), by Petr Sergěevič Nazimov and Arnold E. Ross (page images at HathiTrust)
• Study of class theory; Air Research and Development Command: contract AF 18 (600)-595 project no. R-354-10-29. (s.n., 1953), by Henry B. Mann (page images at HathiTrust; US access only)
• Vorlesungen über Zahlentheorie. (Chelsea Pub. Co., 1955), by Edmund Landau (page images at HathiTrust)
• Essays on the theory of numbers : I. Continuity and irrational numbers, II. The nature and meaning of numbers. (The Open court publishing company, 1909), by Richard Dedekind and Wooster Woodruff Beman (page images at HathiTrust)
• Solved and unsolved problems in number theory (Spartan Books, 1962), by Daniel Shanks (page images at HathiTrust)
• Tables of the first 200 factorials to 20 places. (Aberdeen Proving Ground, Maryland : Ballistic Research Laboratories, 1949., 1949), by Mark Lotkin and U.S. Army Ballistic Research Laboratory (page images at HathiTrust)
• Sur un notion qui comprehend celle de la divisibilité et sur la théorie genérale de l'élimination ([Stockholm, 1884), by Jules Molk (page images at HathiTrust)
• On a problem of additive number theory (Washington, D. C. : Mathematics Division, Office of Scientific Research, U.S. Air Force 1954., 1954), by Paul Erdős, H. W. J. Fuchs, United States. Air Force. Office of Scientific Research, and Cornell University (page images at HathiTrust)
• On the geometry of functions holomorphic in the unit circle, of arbitrarily slow growth, which tend to infinity on a sequence of curves approaching the circumference (Washington, D.C. : Mathematical Sciences Directorate, Air Force Office of Scientific Research, 1961., 1961), by Gerald R. MacLane, United States. Air Force. Office of Scientific Research, and Rice University (page images at HathiTrust)
• Some probabilistic theorems on diophantine approximations ([Washington, D.C.] : [Air Force Office of Scientific Research], 1961., 1961), by Harry Kesten, United States. Air Force. Office of Scientific Research, and Universi©øtah ha-℗ʻIvrit bi-Yerushalayim (page images at HathiTrust)
• On a Lemma of U.V. Linnik (Washington, D.C. : United States Air Force, Office of Scientific Research, 1958., 1958), by Allen Devinatz, United States. Air Force. Office of Scientific Research, and Mo.). Department of Mathematics Washington University (Saint Louis (page images at HathiTrust)
• Analytic theory of numbers ([Stanford? Calif., 1951), by J. G. van der Corput and Stanford University (page images at HathiTrust)
• Cours d'algèbre supérieure (Bachelier, 1849), by J.-A. Serret (page images at HathiTrust)
• Grundlehren der neueren zahlentheorie (W. de Gruyter & co., 1921), by Paul Bachmann and Robert Haussner (page images at HathiTrust)
• Asymptotische Formeln der additiven Zahlentheorie (Deutsche Verlagsgesellschaft für Polikik und Geschichte, 1925), by Konrad Knopp (page images at HathiTrust; US access only)
• Topics in analytic number theory ([Cambridge?] : [Department of Mathematics, Harvard University?], [1961?], 1961), by Serge Lang and Barry Mazur (page images at HathiTrust; US access only)
• Zur Theorie der [pi]-adischen Zahlen : das Gauss'sche Fundamentaltheorem und die in einem [pi]-adischen Körper enthaltenen Einheitswurzeln (W. Fr. Kaestner, 1926), by Reinhold Strassmann (page images at HathiTrust)
• History of the theory of numbers (Stechert, 1934), by Leonard E. Dickson (page images at HathiTrust)
• Théorie des corps de nombres algébriques. (Toulouse, 1910), by David Hilbert (page images at HathiTrust)
• Topics preliminary to the asymptotic Waring theory. (University of Chicago, 1936), by Leonard E. Dickson (page images at HathiTrust)
• Die Darstellung gerader Zahlen als Differenzen und Summen von Primzahlen (Walter de Gruyter & Co., 1922), by Paul Stäckel and Wilhelm Weinreich (page images at HathiTrust; US access only)
• Ueber Gruppen der Reste eines beliebigen Moduls im algebraischen Zahlkörper (W. Fr. Kaestner, 1905), by Georg Wolff (page images at HathiTrust)
• Einführung in die elemetare und analytische theorie der algebraischen zahlen und der ideale (B.G. Teubner, 1927), by Edmund Landau (page images at HathiTrust; US access only)
• Gleichungen erster und zweiten Grades schematisch Aufgelöst in ganzen Zahlen (B.G. Teubner, 1882), by Johann Gustav Hermes (page images at HathiTrust)
• Leçons d'arithmétique théorique et pratique (A. Colin, 1920), by Jules Tannery (page images at HathiTrust)
• Zahlentheorie (in German), by Kurt Hensel (Gutenberg ebook)
• Some Famous Problems of the Theory of Numbers and in Particular Waring's Problem: An Inaugural Lecture delivered before the University of Oxford, by G. H. Hardy (Gutenberg ebook)
• Sur les Principes Fondamentaux de la Théorie des Nombres et de la Géométrie (in French), by H. Laurent (Gutenberg ebook)
• Essays on the Theory of Numbers, by Richard Dedekind, trans. by Wooster Woodruff Beman (Gutenberg ebook)
• The Theory of Numbers, by R. D. Carmichael (Gutenberg ebook)

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