Office of Dietary Supplements
Available from Office of Dietary Supplements through the Internet
The National Institutes of Health Office of Dietary Supplements provides information on dietary supplement use and safety, nutrient recommendations, database resources, news and events dealing with dietary supplements, research, and funding opportunities.  This database is available free on the Internet and it has been selected by Ann Hallyburton, Health Sciences Liaison, as appropriate for authority and content of information in the subject area(s) of the health professions.

OneClickdigital
Available from OneClickdigital through NC LIVE
OneClickdigital is a collection of audiobooks that can be downloaded to a computer or portable devices. The collection is predominantly popular fiction, with a selection of non-fiction titles, too.  First-time users must create a free account, using the Create New Account button on the OneClickdigital main page. Read the FAQ.
Database contains audio

Open Library
Available from Internet Archive through NC LIVE
Open Library is a project by the Internet Archive which offers ebook lending to participating libraries. Borrow up to 5 e-books for 2 weeks each, either in-browser or as a PDF or ePub from over 100,000, mainly 20th century titles.  You must sign up for a free Open Library account to be able to borrow ebooks. Also included are over 1,000,000 free and accessible ebook titles, predominately classical literature.
Database contains full text

Oxford Companion to Music
Available from Oxford University Press through Hunter Library
Authoritative information on all aspects of music.  
Database contains full text

Oxford Dictionary of Music
Available from Grove's Dictionaries, Inc through Hunter Library
Covers musical subjects of all kinds including composers, performers, conductors, musical terms and forms, instruments, works, and venues. Biographical entries cover conductors, performers, directors, critics, producers and designers of international  repute, writers and scholars. Other entry types cover individual works, orchestras, famous opera houses, concert-halls, and musical festivals. Contains entries for musical terms and styles as well as for all types of musical instruments.
Database contains full text

Oxford Dictionary of National Biography
Available from Oxford University Press through Hunter Library
Biographies of the men and women who have shaped British history and culture, worldwide, from the Romans to the 21st century. The Dictionary offers authoritative, up-to-date biographies written by named, specialist authors. Search a specific name or find  biographies by searching fields of interest/occupations, time periods, places, or religious affiliation. You can also browse by theme (generally groups of people such as Cavalier poets or Yorkists). Biographies of living people are not included.
Database contains full text

Oxford English Dictionary
Available from Oxford University Press through Hunter Library
OED Online contains the text of the OED twenty-volume print edition. Each entry provides a definition, etymology, pronunciation, variant spellings, quotations, and a date chart.  
Database contains full text

Oxford Music Online
Available from Oxford University Press through Hunter Library
Gateway for cross-searching Grove Music Online, the Oxford Companion to Music, and the Oxford Dictionary of Music.  
Database contains full text

Oxford Reference Online: Premium Collection
Available from Oxford University Press through Hunter Library
Provides authoritative information from over 100 dictionary, language reference, and subject reference works published by Oxford University Press.  In addition this database contains comprehensive scholarly articles from an expanding range of key titles in the Oxford Companions series and also includes the Oxford Dictionary of Quotations.
Database contains full text

Oxford Scholarship Online
Available from Oxford University Press through Hunter Library
Oxford Scholarship Online is a cross-searchable library containing the full text of over 2,600 Oxford University Press books in the areas of Economics and Finance, Philosophy, Political Science, and Religion. Specially-commissioned abstracts and keywords  are available at book and chapter levels. Also, the library’s full content is searchable at both the book and chapter levels.
Database contains full text