The Assayer Features online books and articles on math, computer and science topics by a variety of authors. Includes some reader reviews. http://www.theassayer.org/cgi-bin/asbrowsesubject.cgi?class=Q Theassayer.org~Site InfoWhoisTrace RouteRBL Check
Mathematica A collection of classical manuscripts (mostly in German) at the Center for Retrospective Digitization in Goettingen. http://gdz.sub.uni-goettingen.de/en/ Uni-goettingen.de~Site InfoWhoisTrace RouteRBL Check
MATHnetBASE Commercial library of mathematics texts and articles from CRC/Chapman and Hall. Annual subscription required. http://www.mathnetbase.com/ Mathnetbase.com~Site InfoWhoisTrace RouteRBL Check
Online Notes A collection of links to online notes maintained by Boris Levant at the Weizmann Insitute. http://www.wisdom.weizmann.ac.il/~borisl/online_notes.html Weizmann.ac.il~Site InfoWhoisTrace RouteRBL Check
EJDE Monographs Textbooks and expository articles hosted by the Electronic Journal of Differential Equations. http://ejde.math.txstate.edu/mono-toc.html Txstate.edu~Site InfoWhoisTrace RouteRBL Check