History 135 Social conditions 41 Social life and customs 34 History and criticism 27 Intellectual life 26 African Americans 24 Buildings, structures, etc 24 Catalogs 23 Art, American 21 September 11 Terrorist Attacks, 2001 19 Art 18 Economic conditions 18 Feature films 18 Exhibitions 17 Harlem Renaissance 17 Social aspects 17 Drawing 15 Painting 15 Women 15 Architecture, American 13 Art collections 13 Arts, Modern 12 City planning 12 Fiction 12 Immigrants 12 Theater 12 City and town life 11 Criticism and interpretation 11 Popular culture 11 Skyscrapers 11 Private collections 10 American literature 9 Art, Modern 9 Artists 9 Ethnic relations 9 Jews 9 Politics and government 9 Abstract expressionism 8 African American arts 8 African American authors 8 Architecture, Modern 8 Arts 8 Design and construction 8 Man-woman relationships 8 Political aspects 8 Subways 8 Arts, American 7 Avant-garde (Aesthetics) 7 Biography 7 Emigration and immigration 7 Painting, American 7 Terrorism 7 Building failures 6 Case studies 6 Documentary films 6 Experimental theater 6 Families 6 Gay men 6 Graffiti 6 Music 6 Music-halls (Variety-theaters, cabarets, etc.) 6 Pictorial works 6 Puerto Ricans 6 Urban renewal 6 American drama 5 Architecture 5 Drawing, Italian 5 Homes and haunts 5 In literature 5 Influence 5 Intellectuals 5 Italian Americans 5 Minorities 5 Murder 5 Opera 5 Private investigators 5 Advertising agencies 4 African Americans in literature 4 Art museums 4 Authors, American 4 City and town life in literature 4 Civilization 4 Dadaism 4 Economic aspects 4 Experimental films 4 Gangs 4 Hip-hop 4 Irish Americans 4 Knowledge 4 Manuscripts 4 New York school of art 4 Nineteen sixties 4 Painting, Modern 4 Photography 4 Public opinion 4 Public prosecutors 4 Race relations 4 Theatrical producers and directors 4 Young women 4 Advertising 3