History 524 General 253 Social conditions 215 SOCIAL SCIENCE 183 HISTORY 140 Politics and government 115 State & Local 113 more ... Indians of North America 98 Art 94 Social aspects 94 POLITICAL SCIENCE 90 Art, Modern 88 BUSINESS & ECONOMICS 85 Race relations 85 Description and travel 83 Art collections 80 Art, American 78 Social life and customs 78 Mexican Americans 73 Electronic resources (E-books) 72 Private collections 66 Missions 63 Ethnic relations 62 Economic conditions 60 Gold discoveries 60 African Americans 59 Immigrants 59 Ethnic identity 51 Motion picture industry 50 BIOGRAPHY & AUTOBIOGRAPHY 49 less ...