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Databases / Article Indexes by Title - O

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Name Description
OldMEDLINE 1951-1965

Indexes articles from international biomedical journals covering the fields of medicine, preclinical sciences, and allied health sciences, originally printed in hardcopy indexes published from 1951 through 1965. For more current articles, see MEDLINE.

OpenDOAR Directory of Open Access Depositories Current

The OpenDOAR service provides a quality-assured listing of open access repositories around the world. OpenDOAR staff harvest and assign metadata to allow categorisation and analysis to assist the wider use and exploitation of repositories. Each of the repositories has been visited by OpenDOAR staff to ensure a high degree of quality and consistency in the information provided. OpenDOAR FAQ

Opposing Viewpoints Resource Center Current

An online library of current event topics: the facts as well as the arguments of each topic's proponents and detractors. Opposing Viewpoints Resource Center's unique features include Viewpoint articles and access to statistics and government data placed in context.

Original Sources Prehistory-current

Searchable full-text of Primary works by the most important figures in all aspects of World History.

OVID Dates vary

Provides searching platform for a number of databases covering the Health Sciences.

Oxford English Dictionary Second Edition

Online version of the classic extensive dictionary which includes word origins. Fully searchable.

Oxford Journals Online Dates vary

Full-text multidisciplinary journal collection.

Oxford Language Dictionaries Online current

language resources never before available online: fully searchable, completely comprehensive bilingual dictionaries, and unique study materials that provide extra help with learning and using an expanding range of languages. Available language pairings include Chinese-English, French-English, German-English, Italian-English, Russian-English, and Spanish-English.

Oxford Music Online (formerly Grove Music Online) Dates vary

Oxford Music Online is comprised of the reference source formerly known as Grove Music Online, and now also includes other valuable Oxford Reference sources. Oxford Music Online is an extensive reference resource to information about music.

Oxford Reference Online Dates vary

Approximately 200 dictionaries, language reference works, and subject reference works.

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