Credo ReferenceIncludes over 3.3 million articles from 534 scholarly subject dictionaries and encyclopedias.
Penguin Dictionary of MathematicsPrinceton Companion to Mathematics
Encyclopedia BritannicaSearch the entire 32 volumes of Encyclopedia Britannica, the library's comprehensive online general encyclopedia.Gale EbooksProvides access to over 20 general and subject encyclopedias on all topics.