History 41,291 Politics and government 6,859 Description and travel 5,278 African Americans 4,949 Genealogy 4,203 Church records and registers 3,930 Societies, etc 3,651 more ... Histoire 3,352 Sources 3,100 Jews 3,098 Indians of North America 3,064 Biography 3,059 Periodicals 2,987 Social life and customs 2,848 Census records 2,579 Slavery 2,550 Deeds 2,549 Emigration and immigration 2,434 Social conditions 2,359 Registers of births, etc 2,280 Streets 2,230 Almanacs, American 2,085 Education 2,039 Churches 1,741 Church history 1,716 Bibliography 1,690 Travel 1,641 Religious life 1,629 Germans 1,623 Probate records 1,600 German Americans 1,524 Economic conditions 1,464 Clergy 1,384 Ethnic groups 1,350 Race relations 1,344 Railroads 1,316 Anniversaries, etc 1,267 Women 1,261 Polish Americans 1,254 Families 1,208 less ...