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Library of Congress Congressional Research Service 438 Library of Congress 325 Geological Survey (U.S.) 292 Harris Collection of American Poetry and Plays (Brown University) Reference Works 223 Library of Congress Division of Bibliography 223 Gotham Book Mart Collection (University of Pennsylvania) 219 Great Britain Public Record Office 197 Vance, Mary A 195 Fiske Icelandic Collection 191 White, Anthony G 185 Horace Howard Furness Memorial Library (University of Pennsylvania) 173 Harmon, Robert B (Robert Bartlett), 1932- 143 National Criminal Justice Reference Service (U.S.) 138 United States National Archives and Records Service 135 Archivo General de la Nación (Mexico) 131 Gosudarstvennai︠a︡ publichnai︠a︡ biblioteka imeni M.E. Saltykova-Shchedrina 126 Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina 121 Archives nationales (France) 119 United States Bureau of the Census 118 Institut nauchnoĭ informat︠s︡ii po obshchestvennym naukam (Akademii︠a︡ nauk SSSR) 111 New York Public Library 109 National Archives (U.S.) 108 Akademii︠a︡ nauk SSSR Biblioteka 107 British Library 103 McMurtrie, Douglas C (Douglas Crawford), 1888-1944 103 Fraunhofer-Gesellschaft Informationszentrum Raum und Bau 102 Archivo General de la Nación (Mexico) 98 Library of Congress Legislative Reference Service 97 David E. Pingree Collection (Brown University) 96 Gosudarstvennai͡a publichnai͡a biblioteka imeni M.E. Saltykova-Shchedrina 95 see all ...

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