Library of Congress - European Reading Room - Vast European history collections. Pamphlets, newspapers, and government documents
Gallica Library - Digital library of French and francophone culture maintained by the Bibliothque Nationale de France. Contains numerous electronic texts, images, maps, animation, and sound files of French and other publications in history, literature, science, philosophy, law, economics, and political science.
Hoover Institution Archives - (Stanford University) - The Hoover Institution Library & Archives holds more than one million volumes and over 6,000 archival collections that document war, revolution, and peace and social, political, and economic change that shaped our world in the 20th and 21st centuries.
CVCE Digital Library (Centre Virtuel de la Connaissance sur l'Europe) - European integration, oral histories.
French Revolution Digital Archive (Stanford University) - Images, texts, maps from the French Revolution
Liberty, Equality, Fraternity: Exploring the French Revolution (George Mason University) - Primary sources with contextual essays
Russian Revolution Collections (Library of Congress) - Posters, photographs, pamphlets. Materials on women's battalions and workers' movements
Russian State Archive of Socio-Political History (RGASPI) - Records on communist and socialist movements. Russian Revolution materials and its European impact
International Institute of Social History (IISH) (Amsterdam) - Extensive collections on socialist/communist movements, anarchism, labor history, and social movements. Revolutionary movements across Europe
KARTA Center (Poland)- Opposition movements in communist Poland. Oral history collections from dissidents and workers
Open Society Archives (OSA) - Central European University, Budapest Extensive collections on Eastern European dissent and opposition movements
Memorial International (Russia) - Soviet political repression documentation. Dissident movement materials
Wilson Center Digital Archive - Cold War International History Project Declassified documents from former communist countries. Materials on 1956 Hungarian Revolution, 1968 Prague Spring, 1980s Solidarity. Translations of Eastern European documents
Making the History of 1989 (Roy Rosenzweig Center for History and New Media)
The National Archives (UK) - British foreign policy and intelligence records. Documents on European revolutions and political movements
Archives Nationales (France) French revolutionary connections and influences
German Federal Archives (Bundesarchiv) - Critical for German revolutions and movements. Materials on German political thought's influence
Schlesinger Library (Harvard Radcliffe Institute) - Women's activism and social movements. International women's suffrage materials
Women's Library at The London School of Economic and Political Science - British and European women's movements. Suffrage, labor, and peace activism