History 415 Social life and customs 115 Frontier and pioneer life 99 African Americans 85 Description and travel 83 Pioneers 59 Histoire 50 more ... Race relations 46 Juvenile literature 43 Buildings, structures, etc 41 Women 39 Civil rights 37 Discovery and exploration 36 Manners and customs 35 Explorers 32 Travel 31 Aztecs 29 Biography 26 Mayas 26 Pilgrims (New Plymouth Colony) 26 Civil rights workers 25 Cowboys 23 Indians of Mexico 23 Segregation in transportation 22 Antiquities 20 Gold discoveries 19 JUVENILE NONFICTION 19 Overland journeys to the Pacific 19 Social conditions 19 African American women 18 less ...