Subject
United States
33
Housing
19
Computer files
17
Older people
15
Land grants
8
Land titles Registration and transfer
8
Agriculture
6
Agriculture States
4
United States Population
4
Households Longitudinal studies
3
Income Longitudinal studies
3
Industrial statistics
3
Transfer payments Longitudinal studies
3
Transportation
3
United States Economic conditions
3
Air Pollution
2
California Census, 1990
2
California Population
2
Education
2
Educational surveys
2
Geographical location codes
2
Households
2
Hydrography
2
Illinois Population
2
Indiana Census, 1990
2
Indiana Population
2
Middle West Census, 1990
2
Middle West Population
2
Nevada Census, 1990
2
Nevada Population
2
Occupations
2
West (U.S.) Census, 1990
2
West (U.S.) Population
2
African Americans Population
1
Aging
1
Arizona Census, 1990
1
Arizona Population
1
Asian Americans
1
Canadian Forces Base Borden (Ont.)
1
Chemical spills
1
Coal Analysis
1
Coal Geology
1
College teachers
1
Commuting
1
Condominiums
1
Digital mapping
1
Eighth grade (Education) Longitudinal studies
1
Employment (Economic theory)
1
Environmental law
1
Environmental protection
1
more ...