This is a selected list. If you don't see the title you need, check MNCAT.
- Encyclopedia of Mathematical Physics
- published by Elsevier, 2006
- Encyclopaedia of Mathematics
- published by Springer, 2001
- Encyclopedia of Statistical Sciences
- published by Wiley, 2005
- Handbook of Mathematics
- published by Springer, 2004
- Concise Oxford Dictionary of Mathematics
- published by Oxford, 2002
- Eric Weisstein's World of Mathematics
- an open-access, user-contributed encyclopedia
- Lecture Notes in Mathematics
- vol. 1649, 1997- present
- MathNetBase
- electronic books published by CRC Press
- Distributed Digital Library of Mathematical Monographs Collection
- open-access, searchable full-text historical math books from Cornell, U. Michigan, U. Goettingen
- Online Books: Mathematics
- links to open-access e-books, in subject/call number order