OAPEN : Open Access Publishing in European Networks
   E-books in the humanities and social sciences, available in open access
   humanities,social sciences | login not required | simultaneous users: unlimited

Observer, The 1791-2003
   Weekly English newspaper
   newspapers | licensed | simultaneous users: unlimited

OECD iLibrary
   Publications of the Organisation for Economic Co-operation and Development (OECD) -new portal
   social sciences | licensed | simultaneous users: unlimited

OECD International Development Statistics
   Statistical and other data about resource flows to developing countries
   social sciences | login not required | simultaneous users: unlimited

Old Maps Online
   Discovering the Cartography of the Past
   humanities | login not required | number of simultaneous users: unlimited

Old Testament Abstracts
   Bibliography for the study of the Old Testament (ATLA & Catholic Biblical Association)
   humanities | licensed | simultaneous users: unlimited

Open Access Digital Theological Library    info_outline
   A virtual library for theology, religious studies, and related disciplines
   humanities | login not required | number of simultaneous users: unlimited

Open Book Publishers
   All e-books from this open access publisher (multidisciplinary)
   multidisciplinary | licensed | simultaneous users: unlimited

Open Library of Humanities (OLH)
   Open access journal platform for the humanities
   humanities | login not required | simultaneous users: unlimited

OpenDissertations
   Data and, if available, full text of more than 170.000 American dissertations
   multidisciplinary | login not required | simultaneous users: unlimited

OpMaat Sdu
   Nieuws, commentaar, wetgeving, jurisprudentie, tijdschriftartikelen, officiële publicaties en meer
   social sciences | licensed | simultaneous users: unlimited

Orbis (new interface)
   Company information across the globe
   social sciences | licensed | simultaneous users: unlimited

Orbis historical data
   Linked historical dataset from Bureau van Dijk to current live firms.
   social sciences | licensed | simultaneous users: unlimited

Overheid.nl
   All information provided by the Dutch governmental institutions on the Internet
   multidisciplinary,social sciences | licensed | simultaneous users: unlimited

Oxford Arabic Dictionary
   Arabic-English and English-Arabic dictionary
   | licensed | simultaneous users: unlimited

Oxford Art Online
   Oxford Art Online is the access point for Grove® Art Online, the Benezit® Dictionary of Artists, and other Oxford art reference resources.
   humanities | licensed | simultaneous users: unlimited

Oxford Bibliographies
   Encyclopedic reading guides for various subjects
   humanities, social sciences | licensed | simultaneous users: unlimited

Oxford Classical Dictionary, The
   Encyclopedia of the Graeco-Roman world
   humanities | licensed | simultaneous users: unlimited

Oxford Clinical Psychology
   Online collection of Oxford's global clinical psychology publishing, with over 500 titles
   social sciences | licensed | simultaneous users: unlimited

Oxford Dictionary of Byzantium
   Editor Alexander P. Kazhdan
   humanities | licensed | simultaneous users: 5

Oxford Dictionary of Christian Art & Architecture
   Guide to the broad range of terms used in the study of the history of Christian art and architecture, including themes, artists, and movements.
   humanities | licensed | simultaneous users: unlimited

Oxford Dictionary of National Biography
   Biographical dictionary of the British Isles (incl. Ireland)
   humanities,multidisciplinary | licensed | simultaneous users: 3

Oxford Dictionary of the Renaissance
   Editor Gordon Campbell
   humanities | licensed | simultaneous users: 5

Oxford Encyclopedia of Economic History
   Editor Joel Mokyr
   humanities | licensed | simultaneous users: unlimited

Oxford Encyclopedia of Industrial and Organizational Psychology, The
   Comprehensive, peer-reviewed reference work about industrial and organizational psychology
   social sciences | licensed | simultaneous users: unlimited

Oxford Encyclopedia of Journalism Studies
   Essays fall into six main categories: Key Concepts; Theories and Research Perspectives; the Practice of Journalism; Forms, Genres, and Types of Journalism; Systems and Structures of Journalism; and the Reception of Journalism.
   humanities | licensed | simultaneous users: unlimited

Oxford Encyclopedia of Maritime History
   Edited by John B. Hattendorf
   humanities | licensed | simultaneous users: unlimited

Oxford Encyclopedia of Psychology and Aging, The
   Comprehensive, peer-reviewed reference work about the psychology of aging
   social sciences | licensed | simultaneous users: unlimited

Oxford Encyclopedia of Social Psychology, The
   Comprehensive, peer-reviewed reference work about social psychology
   social sciences | licensed | simultaneous users: unlimited

Oxford Encyclopedia of Sport, Exercise, and Performance Psychology, The
   Comprehensive, peer-reviewed reference work about sport, exercise and performance psychology
   social sciences | licensed | simultaneous users: unlimited

Oxford Encyclopedia of the History of Modern Psychology
   Reference work about the history of modern psychology
   social sciences | licensed | simultaneous users: unlimited

Oxford Encyclopedia of the Reformation
   Editor Hans J. Hillerbrand
   humanities | licensed | simultaneous users: 5

Oxford Encyclopedia of Theatre and Performance
   Edited by Dennis Kennedy
   humanities | licensed | simultaneous users: unlimited

Oxford English Dictionary (OED)
   Historical dictionary of the English language
   humanities | licensed | simultaneous users: unlimited

Oxford Handbooks Online
   Oxford UP handbooks (philosophy, law, religion, humanities, business, psychology & management)
   humanities,social sciences | licensed | simultaneous users: unlimited

Oxford Journals
   All Oxford University Press journals in full text
   multidisciplinary | licensed | simultaneous users: unlimited | TDM

Oxford Music Online (formerly Grove Music Online)
   Oxford Music Online is the access point for Grove® Music Online and other Oxford music reference resources
   humanities | licensed | simultaneous users: unlimited

Oxford Reference Online
   Dictionaries and introductory reference works in all fields (extended edition)
   multidisciplinary | licensed | simultaneous users: 5

Oxford Reports on International Law (ORIL)
   Jurisprudence on international law matters from countries around the world
   social sciences | licensed | simultaneous users: unlimited

Oxford Research Encyclopedia of African History
   Substantive, peer-reviewed, and regularly updated reference work on African history
   humanities | trial | simultaneous users: unlimited

Oxford Research Encyclopedia of Psychology, The
   Substantive, peer-reviewed, and regularly updated reference work, covering the entire field of psychology
   social sciences | licensed | simultaneous users: unlimited

Oxford Russian Dictionary
   Russian-English and English-Russian Dictionary
   humanities | licensed | simultaneous users: unlimited

Oxford Scholarly Editions Online
   Authoritative poetry, drama, and fiction texts from Classical Antiquity and all periods of English literature
   humanities | licensed | simultaneous users: unlimited

Oxford Scholarship Online
   20,000+ e-books from Oxford University Press
   humanities,social sciences | licensed | simultaneous users: unlimited

Oxford Text Archive
   A repository of full-text literary and linguistic resources
   humanities | login not required | simultaneous users: unlimited | TDM