| Call number | Item |
| Q | Science (Go to start of category) |
| QA | Mathematics and Computer Science (Go to start of category) |
| QA243 .J6 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) The Arithmetic Theory of Quadratic Forms (Carus Mathematical Monograph #10; c1950), by Burton W. Jones (page images at HathiTrust) |
| QA244 .R3 | The Elements of the Theory of Algebraic Numbers, by Legh Wilber Reid, contrib. by David Hilbert (page images at Cornell) |
| QA246 .B4 | An Arithmetical Theory of Certain Numerical Functions (1915), by Eric Temple Bell (multiple formats at archive.org) |
| QA246.5 .S66 | The On-Line Encyclopedia of Integer Sequences, ed. by N. J. A. Sloane and Simon Plouffe (searchable HTML at oeis.org) |
| QA247 .A5 | Structure of Algebras (American Mathematical Society Colloquium Publications v24, revised printing; 1961), by A. Adrian Albert (page images at HathiTrust; US access only) |
| QA247 .J28 1956 | Structure of Rings (American Mathematical Society Colloquium Publications v37; 1956), by Nathan Jacobson (page images at HathiTrust) |
| QA247 .J46 2002 | Generic Polynomials: Constructive Aspects of the Inverse Galois Problem (2002), ed. by Christian U. Jensen, Arne Ledet, and Noriko Yui (PDF files with commentary at msri.org) |
| QA247 .M2 | Rings and Ideals (Carus Mathematical Monograph #8; c1948), by Neal Henry McCoy (page images at HathiTrust) |
| QA247 .P6 | The Theory of Algebraic Numbers (Carus Mathematical Monograph #9; c1950), by Harry Pollard (page images at HathiTrust) |
| QA247.5 .M28 1906a | Irrational Numbers and Their Representation by Sequences and Series, by Henry Parker Manning (page images at Cornell) |
| QA248 .H8 | The Continuum, and Other Types of Serial Order: With an Introduction to Cantor's Transfinite Numbers (reprint of the 1917 second edition), by E. V. Huntington (PDF at djm.cc) |
| QA248 .K349 2004 | Fuzzy Relational Maps and Neutrosophic Relational Maps, by W. B. Vasantha Kandasamy and Florentin Smarandache (PDF at UNM) |
| QA248 .M6 | Foundations of Point Set Theory (American Mathematical Society Colloquium Publications v13; 1932), by R. L. Moore (page images at HathiTrust) |
| QA248.5 .F89 2018 | Fuzzy Mathematics (special issue of Mathematics; Basel et al.: MDPI, 2018), ed. by Etienne E. Kerre and John N. Mordeson (PDF with commentary at mdpi.com) |
| QA251 .B87 | A Course in Universal Algebra (millennium edition), by Stanley N. Burris and H. P. Sankappanavar (PDF and Postscript at uwaterloo.ca) |
| QA251 .K4 | Introduction to Modern Algebra (Princeton et al.: D. Van Nostrand Co., c1960), by John L. Kelley, contrib. by Roy Dubisch and Scott Taylor (page images at HathiTrust) |
| QA251 .M3 | Invariantive Characterizations of Linear Algebras with the Associative Law Not Assumed (1922), by Cyrus Colton MacDuffee (multiple formats at archive.org) |
| QA251 .W59 1898a | A Treatise on Universal Algebra, With Applications, by Alfred North Whitehead (page images at Cornell) |
| QA251.4 .N649 2006 | Noncommutative Localization in Algebra and Topology (electronic edition, ca. 2006), ed. by Andrew Ranicki (PDF in the UK) |
| QA251.5 .S53 1907a | Synopsis of Linear Associative Algebra, by James Byrnie Shaw (page images at Cornell) |
| QA261 .B63 1947 | Vector and Tensor Analysis (New York: J. Wiley and Sons; London: Chapman and Hall, c1947), by Louis Brand (page images at HathiTrust) |
| QA261 .R5 1958 | Understanding Vectors and Phase (fourth printing; New York: J. F. Rider, 1958), by John F. Rider and Seymour D. Uslan (PDF at worldradiohistory.com) |
| QA263 .G7 | Toeplitz and Circulant Matrices: A Review (electronic edition, 2000), by Robert M. Gray (PDF at Stanford) |
| QA263 .M32 | The Theory of Matrices (corrected reprint of first edition; New York: Chelsea, ca. 1946), by Cyrus Colton MacDuffee (page images at HathiTrust) |
| QA263 .W4 | Lectures on Matrices (American Mathematical Society Colloquium Publications v17, c1934, reprinted 1960), by J. H. M. Wedderburn (page images at HathiTrust) |