Service Center for Chinese Publications 1,086
Great Britain Public Record Office 1,036
United States Department of State 755
United States National Archives and Records Service 576
Fiske Icelandic Collection 571
England and Wales Parliament 489
Henry Charles Lea Library (University of Pennsylvania) 379
England and Wales Sovereign (1625-1649 : Charles I) 377
Kesaris, Paul 373
Tōkyō Daigaku Shiryō Hensanjo 364
Harris Collection of American Poetry and Plays (Brown University) Broadsides 357
Great Britain Foreign Office 343
Horace Howard Furness Memorial Library (University of Pennsylvania) 336
Lester, Robert 331
Charles I, King of England, 1600-1649 329
Yarnall Collection (University of Pennsylvania) 322
Archives nationales (France) 313
United States National Archives and Records Administration 275
Great Britain Royal Commission on Historical Manuscripts 271
National Archives (U.S.) 258
University Publications of America (Firm) 245
Hydrick, Blair 239
Rosengarten Family Fund 238
University Publications of America, Inc 231
Archivo General de la Nación (Mexico) 213
Louis XVI, King of France, 1754-1793 208
Library of Congress Manuscript Division 199
Rider Collection (Brown University) Broadsides 199
David E. Pingree Collection (Brown University) 195
Scholarly Resources Inc 190
Catholic Church Pope 188
France Assemblée nationale constituante (1789-1791) 187
Joris, David, 1501 or 1502- 185
England and Wales 184
Broadsides Collection (Brown University) 183
British Library 179
Taiwan yin hang Jing ji yan jiu shi 176
Institut istorii SSSR (Akademii︠a︡ nauk SSSR) 169
France 167
Archivo General de Indias 166
Archivo General de la Nación (Mexico) 163
Great Britain 162
De Gruyter 147
Anne S.K. Brown Military Collection 141
Culture Class Collection (University of Pennsylvania) 141
Soviet Union Ministerstvo inostrannykh del 140
Great Britain Exchequer 139
Institut istorii (Akademii︠a︡ nauk SSSR) 137
Archives générales du Royaume (Belgium) 135
Soviet Union Glavnoe arkhivnoe upravlenie 133
Archivio vaticano 130
Bundesarchiv (Germany) 130
France Convention nationale 125
Institut istorii SSSR (Akademii͡a nauk SSSR) 121
Great Britain Record Commission 120
Great Britain Parliament. House of Commons 115
Schipper, Martin Paul 115
France Assemblée nationale constituante (1789-1791) 114
Washington, George, 1732-1799 113
Boehm, Randolph 112
England and Wales Parliament. House of Commons 112
Library of Congress 111
Constance L. Rosenthal Book Fund 103
McLellan Lincoln Collection (Brown University) 103
Archivo General de Simancas 102
Institut istorii (Akademii͡a nauk SSSR) 102
Catholic Church 100
State Historical Society of Wisconsin 97
Zhongguo di 1 li shi dang an guan 97
Alumni and Friends Memorial Book Fund 96
Gotham Book Mart Collection (University of Pennsylvania) 95
Great Britain Parliament 95
United States Federal Bureau of Investigation 94
Meiji Bunken Shiryō Kankōkai 93
Great Britain Court of Chancery 92
Friedman, Towiah 91
National Security Archive (U.S.) 91
British Museum 89
Murphy, Gregory, 1960- 88
Bolívar, Simón, 1783-1830 87
Spain 87
Nihon Shiseki Kyōkai 86
Zhongguo di 2 li shi dang an guan 86
Cornell University New York Historical Resources Center 85
Lenin, Vladimir Ilʹich, 1870-1924 85
Archives générales du Royaume (Belgium) 83
Bodleian Library 83
Makhon le-doḳumenṭatsyah be-Yiśraʼel (Haifa, Israel) 83
Tōkyō Daigaku Shiryō Hensanjo 83
Wattenbach, Wilhelm, 1819-1897 83
Zhong yang dang an guan (China) 82
Duke University Library. Manuscript Department 78
British Academy 77
Irish Manuscripts Commission 76
Biblioteca apostolica vaticana 75
South Carolina Historical Society 75
George Clapp Vaillant Book Fund 74
Public Archives of Canada 74
Arhivele Statului (Romania) 73
Pepys, Samuel, 1633-1703 73