Catalogs | Reference | Articles & Book Reviews | Primary Source Collections | Internet Resources

• Start with WorldCat
• Catalogs at Columbia University
• CLIO
  Columbia University Libraries Online Catalog
• Pegasus
  Catalog of the Columbia University Law library
• Card catalog, Rm. 310, Butler Library
• Periodicals and Microforms Reading Room (Butler Library, room 401)
• Columbia University Libraries Archival Collections Portal
• Specialized Online Catalogs
• Center for Research Libraries
• IndexCat
• Proquest Digital Dissertations
• General Content Online Catalogs
• The European Library

• Start with Oxford Reference Online 
  Includes Oxford Reference Online: History
• General Online Sources
• Blackwell Reference Online 
• Encyclopedia Britannica Online
• Reference Universe
• Specialized Online Sources
• Biographical information
• Biography and Genealogy Master Index
• Biography Resource Center
• World Biographical Information System
• Historical dictionaries and encyclopedias (by historical period)
• Encyclopedia of the Middle Ages
• Oxford Dictionary of the Renaissance 
• The Oxford Encyclopedia of the Reformation
• Encyclopedia of the Enlightenment
• Europe 1789 to 1914: Encyclopedia of the Age of Industry and Empire
• Europe Since 1914: Encyclopedia of the Age of War and Reconstruction
• Historical dictionaries and encyclopedias (by subject)
• Cambridge Historical Dictionary of Disease
• Dictionary of the History of Ideas
• Encyclopedia of European Social History, 1350-2000
• Encyclopedia of Philosophy
• Encyclopedia of Population
• Encyclopedia of Western Colonialism Since 1450
• History of World Trade Since 1450
• New Dictionary of the History of Ideas 
• The Oxford Encyclopedia of Economic History
• Print Sources (Butler Reference Collection, Butler Library, rooms 301 & 310)
• Reference Book Location Guide
• Locations of Atlases in Butler Reference

• Start with Historical Abstracts 
• General indexing and abstracting databases
• EBSCOhost
• British Humanities Index
• Humanities & Social Sciences Index Retrospective
• Humanities Full Text
• International Bibliography of Book Reviews
• International Bibliography of Periodical Literature
• Web of Knowledge
• Specialized indexing and abstracting databases
• History of Science, Technology, and Medicine
• International Medieval Bibliography Online
• Iter: Gateway to the Middle Ages and Renaissance
• Full-text journal collections
• JSTOR
• Periodicals Archive Online
• Project Muse

• ANNO - AustriaN Newspapers Online

• ARTFL: American Research on the Treasury of the French Language

• The Complete Works of Charles Darwin Online

• Conditions and Politics in Occupied Western Europe, 1940-1945

• Digital Library of the Catholic Reformation

• Digital Library of Classical Protestant Texts

• Early English Books Online

• Eighteenth Century Collections Online

• Gallica

• German Literature Collections

• Gerritsen Collection: Women's History Online, 1543-1945

• Past Masters

• The Philological Museum: Library of Humanistic Texts & Bibliography of Neo-Latin Texts on the Web

• The Making of the Modern World: the Goldsmiths'-Kress Library of Economic Literature

• Start with Intute
• H-Net: Humanities and Social Sciences Online
• WessWeb
  Maintained by the Western European Studies Section of the Association of College & Research Libraries.  See in particular the Europe in Bits and Bytes column published in the WESS Newsletter.