Databases with a filter on the first letter of the title
Database	Description
OHPECR	see H&PE Elementary Resources
OLH	see Open Library of Humanities
On-line register of post-graduate dissertations in progress in history and related subjects	see Canadian Historical Association: Register of Dissertations
OneFile, Gale Academic	see Gale Academic OneFile
ONF	see National Film Board of Canada
Ontario Data Documentation, Extraction Service and Infrastructure Initiative	see odesi
Ontario Physical Activity Standards in Education	see Ophea : Ontario Physical Activity Standards in Education
Ontario Physical Education Safety Guidelines	see Ophea : Ontario Physical Activity Standards in Education
Open Access Publishing in European Networks	see OAPEN : Online library and publication platform
Open Library of Humanities	Open access journals in the humanities. View full description.
Opera in Video	see Music Online: Opera in Video
Ophea : Ontario Physical Activity Standards in Education	Standards documents for managing risk in physical activities in Ontario school boards. View full description.
Ophea Health and Physical Education Curriculum Resources: Grades 1-8	see H&PE Elementary Resources
OPHEA Safety Guidelines	see Ophea : Ontario Physical Activity Standards in Education
Ophea: H&PE Elementary Resources	see H&PE Elementary Resources
Oral History Online	Full-text oral histories in English, including an index to freely available histories on the Web. View full description.
Organisation for Economic Co-operation and Development resources	see OECD iLibrary
ORO	see Oxford Reference
OSO	see Oxford Scholarship Online
OTA	see Oxford Text Archive
Ottawa Citizen	see ProQuest Historical Newspapers: Ottawa Citizen
OUP journals	see Oxford Academic : Journals
Our Ontario: Newspapers	Over 200 years of community newspapers from across Ontario. View full description.
Oxford Academic : Journals	Index of and links to all journals published by Oxford. View full description.
Oxford Bibliographies	A collection of core resources in a variety of subjects. Selected by experts. View full description.
Oxford Bibliographies Online	see Oxford Bibliographies
Oxford Bibliographies: Anthropology	see Anthropology - Oxford Bibliographies
Oxford Bibliographies: Biblical Studies	see Biblical Studies - Oxford Bibliographies
Oxford Bibliographies: Ecology	see Ecology - Oxford Bibliographies
Oxford Bibliographies: Education	see Education - Oxford Bibliographies
Oxford Bibliographies: Environmental Science	see Environmental Science - Oxford Bibliographies
Oxford Bibliographies: Evolutionary Biology	see Evolutionary Biology - Oxford Bibliographies
Oxford Bibliographies: Geography	see Geography - Oxford Bibliographies
Oxford Bibliographies: Medieval Studies	see Medieval Studies - Oxford Bibliographies
Oxford Bibliographies: Philosophy	see Philosophy - Oxford Bibliographies
Oxford Bibliographies: Psychology	see Psychology - Oxford Bibliographies
Oxford Bibliographies: Renaissance and Reformation	see Renaissance and Reformation - Oxford Bibliographies
Oxford Bibliographies: Social Work	see Social Work - Oxford Bibliographies
Oxford Bibliographies: Sociology	see Sociology - Oxford Bibliographies
Oxford Companion to Canadian History	An authoritative source on all aspects of Canadian history View full description.
Oxford Companion to Global Change	Comprehensive, interdisciplinary guide to the range of issues surrounding natural and human-induced changes in the Earth's environment. View full description.
Oxford Companion to Music	see Oxford Music Online
Oxford Companion to Philosophy	Contains over 2,200 entries written by 291 authoritative philosophers with a wide breadth and depth of coverage. View full description.
Oxford Companion to the Mind	Scholarly one volume companion to the fields of mind, brain and consciousness View full description.
Oxford Dictionary of Music	see Oxford Music Online
Oxford Dictionary of National Biography	Biographies of people of distinction in the British Isles and its colonies, from the 4th century to the 21st. View full description.
Oxford Dictionary of Philosophy	More than 3,000 entries covering covers all areas of philosophy. View full description.
Oxford Dictionary of the Renaissance	Full-text articles on art, literature, science, culture, philosophy, religion, economics and history. Published 2003. View full description.
Oxford Encyclopedia of American Literature	Full-text articles on authors, literary movements, genres and themes. Published 2004. View full description.
Oxford Encyclopedia of Ancient Egypt	Full-text articles on Egyptian civilization, from the predynastic era to the seventh century CE. View full description.

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