arXiv.org. Cornell University Libraries. Available: http://arxiv.org/.
arXiv is an e-print service in the fields of physics, mathematics, non-linear science, computer science, quantitative biology and statistics.
Rehman, Ulf. DML: Digital Mathematics Library. Fakultät für Mathematik, Universität Bielefeld, Germany, 2003-2006. Available: http://www.mathematik.uni-bielefeld.de/~rehmann/DML/dml_links.html.
Links to a number of scanned mathematical texts and journals.
Electronic Library of Mathematics. European Mathematical Society. Available: http://www.emis.de/ELibM.html. Last Update: Feveruary 9, 2006.
Access to electronic journals, proceedings, monographs, software, and lecture notes. All are free.
Historical Mathematics Monographs. Cornell University Library. Available: http://historical.library.cornell.edu/math/.
The Cornell University Library Historical Mathematics Monographs is a collection of selected monographs with expired copyrights chosen from the mathematics field. These were monographs that were brittle and decaying and in need of rescue.
The University of Michigan Historical Mathematics Collection. University of Michigan Libraries. Available: http://quod.lib.umich.edu/u/umhistmath/. Last Update: April 19, 2007.
The University of Michigan Historical Mathematics Collection is a growing library of books selected from the University of Michigan mathematics collection that have been digitized to improve access and to preserve the content of these books. All of the books in this collection were published in the 19th or early 20th century.