OAIster
A union catalog of more than 19 million records representing digital resources from more than 1,000 contributors.

OmniFile Full Text Select
A multidisciplinary, 100% full-text database providing full text articles, with their accompanying indexing and abstracts. Subject areas include: Art, Applied Science & Technology, Biology & Agriculture, Education, General Science, Humanities, Social Science, & Business. This database contains more than 2,700 publications, many of which are peer reviewed. Coverage begins in 1994.

Opposing Viewpoints Resource Center
A virtual library of resources from Greenhaven's respected print series Opposing Viewpoints, designed to aid students in the study of today's hottest social issues.

Oxford English Dictionary
The accepted authority on the evolution of the English language over the last millennium. An unsurpassed guide to the meaning, history, and pronunciation of over half a million words, both present and past, tracing the usage of words through 2.5 million quotations from a wide range of international English language sources, from classic literature and specialist periodicals to film scripts and cookery books.

Oxford Reference Online
Over 275 fully-indexed, cross-searchable dictionary, language reference, and subject reference works published by Oxford University Press, including detailed information across a broad subject range from titles in the world-renowned Oxford Companions Series. You can search the library’s entire e-book collection through the library catalog.