A permanent web archive and rapid distribution medium for research articles. Preprints can be uploaded and removed. Email alerting service. www.mathpreprints.com
Open e-print archive with over 100,000 articles in physics, 10,000 in mathematics, and 1,000 in computer science. (Formerly called xxx; free) arxiv.org
A digital archive of the most important mathematical publications of the period 1868-1942 and a database based on the "Jahrbuch über die Fortschritte der Mathematik". www.emis.de/projects/JFM
The Electronic Library of Mathematics is offered by the European Mathematical Society (EMS) in cooperation with FIZ Karlsruhe / Zentralblatt MATH. Online journals, article collections, and monographs in electronic form: access is free. www.math.ethz.ch/EMIS/ELibM.html
Part of the International Mathematical Union. Its mandate is to coordinate world-wide efforts to publish mathematical papers, journals, and other scholarly work in web form. It may recommend standards on issues related to electronic communication. www.ceic.math.ca
Information services for academic and industrial research. Access to MATH Database (Zentralblatt für Mathematik), International Reviews on Mathematical Education (Zentralblatt für Didaktik der Mathematik), CompuScience and index to Springer Lecture No www.zblmath.fiz-karlsruhe.de
Digitization of old mathematics documents. Free access to bibliographical data and articles of french mathematical journals. For each journal, all the volumes published up to the year 2000 have been retro-digitized. www.numdam.org/en
A project sponsored by the German Research Foundation to set up an international online full-text archive for mathematical theses in LaTeX format. www.ub.uni-duisburg.de/mathdiss/eindex.html
European database of reviews and abstracts of math publications. Requires subscription, but has limited free access. www.zblmath.fiz-karlsruhe.de/MATH/home