History 4,140,145 Ver Registros Politics and government 1,564,251 Ver Registros Economic conditions 484,400 Ver Registros Law and legislation 471,980 Ver Registros Description and travel 410,072 Ver Registros Social conditions 409,232 Ver Registros Social life and customs 345,370 Ver Registros History and criticism 327,537 Ver Registros Foreign relations 321,535 Ver Registros Antiquities 266,015 Ver Registros Claims 247,877 Ver Registros Political science 232,334 Ver Registros Civilization 226,897 Ver Registros Bills, Private 224,084 Ver Registros Biography 222,717 Ver Registros Education 220,449 Ver Registros World War, 1939-1945 206,742 Ver Registros Women 201,015 Ver Registros Economic policy 194,312 Ver Registros Histoire 190,738 Ver Registros Economic history 189,872 Ver Registros Jews 187,890 Ver Registros Travel 176,155 Ver Registros Periodicals 172,978 Ver Registros Economic aspects 159,990 Ver Registros Law 154,172 Ver Registros Social aspects 149,891 Ver Registros Finance 148,870 Ver Registros Manners and customs 147,111 Ver Registros Sources 141,250 Ver Registros Agriculture 138,877 Ver Registros Geology 137,394 Ver Registros Government policy 134,855 Ver Registros Study and teaching 133,075 Ver Registros Church history 132,428 Ver Registros Architecture 130,557 Ver Registros Commerce 130,029 Ver Registros Diplomatic relations 129,983 Ver Registros Intellectual life 128,321 Ver Registros International relations 121,146 Ver Registros Music 119,787 Ver Registros Art 115,557 Ver Registros Statistics 111,842 Ver Registros Taxation 110,495 Ver Registros Congresses 102,018 Ver Registros Research 100,579 Ver Registros Criticism and interpretation 99,474 Ver Registros Relations 98,913 Ver Registros Buildings, structures, etc 98,235 Ver Registros Legal status, laws, etc 95,238 Ver Registros Religion 94,585 Ver Registros Excavations (Archaeology) 91,116 Ver Registros Bibliography 89,428 Ver Registros Political aspects 87,028 Ver Registros Indians of North America 84,713 Ver Registros Armed Forces 82,259 Ver Registros Religious aspects 81,315 Ver Registros Management 80,914 Ver Registros Emigration and immigration 80,370 Ver Registros World War, 1914-1918 79,622 Ver Registros Ethnic relations 79,077 Ver Registros Population 78,525 Ver Registros Constitutional law 78,091 Ver Registros Industries 76,736 Ver Registros Officials and employees 73,402 Ver Registros City planning 71,247 Ver Registros African Americans 70,881 Ver Registros Railroads 70,874 Ver Registros Theater 70,027 Ver Registros Missions 69,917 Ver Registros Political activity 69,429 Ver Registros Popular music 69,302 Ver Registros Communism 68,731 Ver Registros Environmental aspects 67,272 Ver Registros Appropriations and expenditures 67,072 Ver Registros Prevention 66,539 Ver Registros History, Military 66,144 Ver Registros Folklore 65,454 Ver Registros Exhibitions 63,732 Ver Registros Campaigns 63,662 Ver Registros Elections 63,397 Ver Registros Housing 63,259 Ver Registros Presidents 63,129 Ver Registros Philosophy 62,653 Ver Registros Budget 62,645 Ver Registros Employment 62,481 Ver Registros Kings and rulers 62,450 Ver Registros Labor unions 62,076 Ver Registros Colonies 61,935 Ver Registros General 61,623 Ver Registros Ethnology 61,357 Ver Registros Motion pictures 60,475 Ver Registros Families 59,819 Ver Registros Civil rights 59,544 Ver Registros Roads 58,976 Ver Registros Finance, Public 58,904 Ver Registros Banks and banking 58,162 Ver Registros Slavery 57,952 Ver Registros Historiography 56,885 Ver Registros Working class 56,490 Ver Registros