Gallica - A digital collection of classics from the National Library of France. arXiv - E-print archive in various areas of physics, mathematics, nonlinear science, and computer science. Mathphysics.com - This site exists primarily to host on-line textbooks and other scholarly materials in mathematics or physics. Online Mathematics Textbooks - Links to online mathematics texts, maintained by George Cain at Georgia Institute of Technology. AMS Books Online - AMS published books available for free download in PDF. Also links to other online books. Mathwright Library - A free collection of interactive mathematics and science books. Requires free (Windows) software to read. Mathematics Archives - Topics - Links to books, notes and other resources organized by topic at the University of Tennessee, Knoxville. Books On-line: QA - Online Books page at the University of Pennsylvania. MathPages - A collection of HTML lectures on various subjects in mathematics and physics. The Assayer - Features online books and articles on math, computer and science topics by a variety of authors. Includes some reader reviews. Electronic Research Archive for Mathematics - A digital library for classical mathematics. Mathematica - A collection of classical manuscripts (mostly in German) at the Center for Retrospective Digitization in Goettingen. MATHnetBASE - Commercial library of mathematics texts and articles from CRC/Chapman and Hall. Annual subscription required. EMIS Mathematical Monographs - Books hosted by the European Mathematical Information Service in various formats, typically PostScript, but sometimes also DVI and PDF. NUMerisation de Documents Anciens Mathematiques - Digitized ancient mathematical documents in Grenoble. EJDE Monographs - Textbooks and expository articles hosted by the Electronic Journal of Differential Equations. University of Michigan Historical Mathematics Collection - A digital library of books selected from the University of Michigan mathematics collection, published in the 19th or early 20th century. Geometry & Topology Monographs - A series intended for research monographs, for refereed conference proceedings, and for similar collections.