| Call number | Item |
| Q | Science (Go to start of category) |
| QA | Mathematics and Computer Science (Go to start of category) |
| QA343 .R64 1871a | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) A Tract on the Addition of Elliptic and Hyper-Elliptic Integrals, by Michael Roberts (page images at Cornell) |
| QA345 .B16 1897a | Abel's Theorem and the Allied Theory, Including the Theory of the Theta Functions, by H. F. Baker (page images at Cornell) |
| QA351 .N66 | Handbuch der Theorie der Gammafunktion (in German; Leipzig: B. G. Teubner, 1906), by Niels Nielsen (page images at France) |
| QA353 .G44 W55 | Generatingfunctionology, by Herbert S. Wilf (PDF here at Penn) |
| QA370 .E4 | Electronic Journal of Qualitative Theory of Differential Equations (1998-) (full serial archives) |
| QA370 .E64 | Electronic Journal of Differential Equations (1993-) (full serial archives) |
| QA371 .F73 T7 | A Treatise on Differential Equations, by Andrew Russell Forsyth (page images at Cornell) |
| QA371 .H12 1915 | Four Lectures on Mathematics Delivered at Columbia University in 1911, by Jacques Hadamard (page images at Cornell) |
| QA371 .H99 1858a | A Treatise on Differential Equations, and on the Calculus of Finite Differences, by J. Hymers (page images at Cornell) |
| QA371 .I52 2003 | Inside Out: Inverse Problems and Applications (2003), ed. by Gunther Uhlmann (PDF files with commentary at msri.org) |
| QA371 .R45 | Differential Equations From the Algebraic Standpoint (American Mathematical Society Colloquium Publications v14; 1932), by Joseph Fels Ritt (page images at HathiTrust) |
| QA371 .T68 2013 | Elementary Differential Equations With Boundary Value Problems (free online edition, 2013), by William F. Trench (PDF and LaTeX at trinity.edu) |
| QA372 .C88 1889a | A Treatise on Linear Differential Equations, by Thomas Craig (page images at Cornell) |
| QA372 .M37 | The Hopf Bifurcation and Its Applications (1976), by Jerrold E. Marsden and Marjorie McCracken (PDF files at Caltech) |
| QA372 .O81 1886a | Examples of Differential Equations, With Rules for Their Solution, by George A. Osborne (page images at Cornell) |
| QA372 .P13 1897a | Ordinary Differential Equations: An Elementary Text-Book (London and New York: Macmillan, 1897), by James Morris Page (page images at Cornell) |
| QA372 .P6 1922 | Differential Equations (New York: John Wiley and Sons, 1922), by H. B. Phillips (PDF at djm.cc) |
| QA374 .D96 | Dynamics of Partial Differential Equations (2004-; all articles more than about 4 years old, and some later articles, free to read) (partial serial archives) |
| QA374 .S56 | Hilbert Space Methods for Partial Differential Equations, by R. E. Showalter (PDF files at ams.org) |
| QA377 .S683 20046 | Existence, Multiplicity, Perturbation, and Concentration Results for a Class of Quasi-Linear Elliptic Problems (EJDE monograph #7, 2006), by Marco Squassina (PDF with commentary at ams.org) |
| QA377 .T5 | Differential Systems (American Mathematical Society Colloquium Publications v21; 1937), by Joseph Miller Thomas (multiple formats at archive.org) |
| QA377 .W36 2004 | Palais-Smale Approaches to Semilinear Elliptic Equations in Unbounded Domains (EJDE monograph #6, 2004), by Hwai-chiuan Wang (PDF with commentary at ams.org) |
| QA377 .W454 | An Introduction to Multigrid Methods, by Pieter Wesseling (PDF files at mgnet.org) |
| QA385 .C18 1903a | Introductory Treatise on Lie's Theory of Finite Continuous Transformation Groups, by John Edward Campbell (page images at Cornell) |
| QA385 .C67 1911a | An Introduction to the Lie Theory of One-Parameter Groups, by Abraham Cohen (page images at Cornell) |