Library of Congress Congressional Research Service 2,881 Vance, Mary A 725 Gotham Book Mart Collection (University of Pennsylvania) 574 Library of Congress Legislative Reference Service 574 Harris Collection of American Poetry and Plays (Brown University) Reference Works 535 Library of Congress 520 Library of Congress Division of Bibliography 482 Horace Howard Furness Memorial Library (University of Pennsylvania) 481 White, Anthony G 370 Geological Survey (U.S.) 362 New York Public Library 317 Fiske Icelandic Collection 297 Gale Group 271 Harry Lyman Koopman Collection (Brown University) 258 Akademii︠a︡ nauk SSSR Biblioteka 250 Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina 230 Fraunhofer-Gesellschaft Informationszentrum Raum und Bau 217 McLellan Lincoln Collection (Brown University) 217 Harmon, Robert B (Robert Bartlett), 1932- 214 Great Britain Public Record Office 211 Gosudarstvennai︠a︡ publichnai︠a︡ biblioteka imeni M.E. Saltykova-Shchedrina 201 Bibliothèque nationale (France) 199 National Library of Medicine (U.S.) 199 Akademii͡a nauk SSSR Biblioteka 197 American Library Association 190 Edgar Fahs Smith Memorial Collection (University of Pennsylvania) 181 United States National Technical Information Service 174 National Criminal Justice Reference Service (U.S.) 169 David E. Pingree Collection (Brown University) 167 Institut nauchnoĭ informat︠s︡ii po obshchestvennym naukam (Akademii︠a︡ nauk SSSR) 167 see all ...