- Libro electrónicoCensus of Population and Housing, 1990 [2nd]U.S. Census of population and housing
- Libro electrónicoCensus of Population and Housing, 1990U.S. Census of population and housing
- Libro electrónicoUnited States Census Figures Back to 1630United States. Bureau of the Census
- Libro electrónicoThe 1990 United States CensusUnited States. Bureau of the Census
- Libro electrónicoUnited States Census Figures Back to 1630United States. Bureau of the Census
- Libro electrónicoThe 1990 United States CensusUnited States. Bureau of the Census
- Libro electrónicoThe 1990 United States Census [2nd]United States. Bureau of the Census
- Libro electrónicoThe 1990 United States Census [2nd]United States. Bureau of the Census
- Libro electrónicoUnited States Census Figures Back to 1630United States. Bureau of the Census