History 3,253,951 Ver registros Politics and government 762,422 Ver registros History and criticism 619,642 Ver registros Criticism and interpretation 302,526 Ver registros Biography 247,391 Ver registros Claims 239,551 Ver registros Periodicals 224,181 Ver registros Bills, Private 223,959 Ver registros Congresses 217,972 Ver registros Histoire 215,202 Ver registros Social life and customs 196,223 Ver registros Social conditions 184,060 Ver registros Economic conditions 171,402 Ver registros World War, 1939-1945 158,473 Ver registros Description and travel 152,243 Ver registros Jews 148,087 Ver registros Operas 148,043 Ver registros Law and legislation 146,956 Ver registros Music 144,544 Ver registros Women 143,278 Ver registros Bibliography 142,498 Ver registros General 130,093 Ver registros Sources 124,015 Ver registros Political science 121,502 Ver registros Education 120,843 Ver registros Foreign relations 117,974 Ver registros Art 116,769 Ver registros Civilization 113,912 Ver registros Philosophy 112,095 Ver registros Study and teaching 110,954 Ver registros Social aspects 106,495 Ver registros Law 102,368 Ver registros Antiquities 102,035 Ver registros Church history 99,155 Ver registros Manners and customs 96,523 Ver registros Statistics 93,307 Ver registros Exhibitions 93,155 Ver registros Architecture 92,014 Ver registros Travel 89,640 Ver registros Religious aspects 84,294 Ver registros Research 82,750 Ver registros Fiction 82,680 Ver registros Geology 82,636 Ver registros Scores 82,006 Ver registros Economic history 81,836 Ver registros Intellectual life 81,659 Ver registros Medicine 79,304 Ver registros Criticism, interpretation, etc 79,045 Ver registros Literature 76,733 Ver registros English language 73,955 Ver registros Commerce 69,661 Ver registros Agriculture 68,584 Ver registros Judaism 68,031 Ver registros Christianity 67,686 Ver registros African Americans 67,571 Ver registros Science 67,201 Ver registros Popular music 66,428 Ver registros Early works to 1800 65,375 Ver registros Jazz 65,090 Ver registros Economic aspects 64,942 Ver registros Finance 62,247 Ver registros International relations 62,132 Ver registros Catalogs 61,014 Ver registros Motion pictures 60,341 Ver registros Management 60,248 Ver registros World War, 1914-1918 59,402 Ver registros Piano music 58,321 Ver registros Religion 58,085 Ver registros Diplomatic relations 57,835 Ver registros Families 57,078 Ver registros Dictionaries 56,582 Ver registros Islam 56,552 Ver registros Poetry 56,164 Ver registros Indians of North America 55,442 Ver registros Histoire et critique 55,335 Ver registros Theater 55,149 Ver registros Man-woman relationships 54,273 Ver registros Kings and rulers 54,143 Ver registros Symphonies 52,870 Ver registros Buildings, structures, etc 52,379 Ver registros Relations 52,255 Ver registros Political aspects 52,001 Ver registros Population 51,991 Ver registros Economics 51,969 Ver registros Feature films 50,868 Ver registros English 50,087 Ver registros Manuscripts 49,870 Ver registros Diseases 49,769 Ver registros Art, Modern 48,932 Ver registros Presidents 48,820 Ver registros Economic policy 48,158 Ver registros History, Military 48,003 Ver registros Children 47,801 Ver registros Influence 46,835 Ver registros Artists 46,278 Ver registros BUSINESS & ECONOMICS 46,158 Ver registros Mathematics 45,527 Ver registros Photography, Artistic 45,508 Ver registros Maps 44,986 Ver registros Government policy 44,981 Ver registros