Economic conditions 61 History 19 Social conditions 17 African Americans 8 Commerce 5 Depressions 5 Description and travel 4 more ... Politics and government 4 Unemployed 4 Business enterprises 3 Ethnic groups 3 Labor supply 3 Population 3 African American banks 2 City planning 2 Jews 2 Mayors--Pennsylvania--Philadelphia 2 Philadelphia (Pa.) 2 Philadelphia (Pa.)--History--20th century 2 Philadelphia (Pa.)--Officials and employees 2 Philadelphia (Pa.)--Social conditions--20th century 2 Race relations 2 19th century 1 African American businesspeople 1 African American criminals 1 American loyalists 1 Anniversaries, etc 1 Art and state 1 Banks and banking 1 Businesspeople 1 Campaign management--United States 1 Capitalism 1 Census, 1960 1 Census, 1970 1 Charities--Pennsylvania--Philadelphia 1 College trustees--United States 1 Community development, Urban 1 Consultants 1 Cost and standard of living 1 Cultural policy 1 less ...