Other
City planning
16
Economic conditions
5
Historic buildings
3
American Revolution Bicentennial, 1976
2
Buildings, structures, etc
2
Capital investments
2
Conservation and restoration
2
Description and travel
2
Finance, Public
2
History
2
Housing
2
Municipal revenue
2
Municipal services
2
Population
2
Roads
2
Statistics
2
Census districts
1
Cities and towns
1
Community development
1
Computer-aided design
1
Design and construction
1
Dwellings
1
Economic aspects
1
Education
1
Express highways
1
Local finance
1
Local transit
1
Occupations
1
Penn
1
Periodicals
1
Planning
1
Population density
1
Retail trade
1
Social conditions
1
Tourism
1
Tourist information centers
1
Traffic engineering
1
Traffic surveys
1
Transportation
1
Urban renewal
1