British and Irish Studies 

• Britannica Online
  Print: The New Encyclopaedia Britannica  Perkins/Bostock Library  Reference  AE5 .E363 2007
• History Reference Online
  E-book versions of Encyclopedias, etc.
• Oxford Companion to British History Online
  Print:  Perkins/Bostock Library Reference   DA34 .O93 2002
• The Oxford Companion to Irish History
  Print: Perkins/Bostock Library Reference  DA912 .O94 2002
• Oxford Dictionary of National Biography Online
  Print: Perkins/Bostock Library | Reference  | DA28 .O95 2004
• British Biographical Index  Perkins/Bostock Library Reference   CT773 .B75 1990 
  The Archive is on microfiche: Microform M5787s
  Also searchable on the World Biographical Information System
• Oxford English Dictionary
  Print:  Perkins/Bostock Library Reference   PE1625 
• Oxford Reference Online
  Over 170 online reference works..

See also the complete list of  Databases for Britain and Ireland 

• Historical Abstracts  Contains citations and abstracts to books and articles on the history of the world (excluding the United States and Canada) from 1450 to the present.
• Royal Historical Society Bibliography  A comprehensive index to books, articles, and primary sources about the history of Britain, Ireland, and the British overseas from the Roman period to the present day. Now includes Texts and Calendars, Irish History Online and London's Past Online.  Available to all users.
• BHI British Humanities Index
  BHI is a current awareness tool that provides abstracts from over 400 daily newspapers, weekly magazines and academic journals of international standing, with over 240,000 records dating back to 1962.
• Periodicals Index Online
  Indexes over 15 million articles in over 4500 periodicals in the humanities and social sciences back as far as 1665.  Now includes some full text. 
•  Victorian database online
  An interdisciplinary database for nineteenth-century British studies
• Eighteenth Century Journals II
  Journals from the Harry Ransom Humanities Research Center collection of 17th and 18th century newspapers and periodicals
• MLA Intl Bibliography 
  Provides citations to research in literature, literary criticism, linguistics, modern languages, drama, folklore, film and video, and other communicative behavior.
• 19th Century UK Periodicals: Empire
  Complete runs of 91 periodicals. Sourced from the British Library, the National Library of Scotland and the National Library of Australia, the collection contains periodicals from Australia, Canada, Ceylon, India, New Zealand and South Africa.