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Washington metropolitan area water problems
(1958)
Projections to 1980 for Virginia metropolitan areas
Knapp, John Laurence, (1967)
Highway expenditures and revenues in the Washington metropolitan area
Newcombe, Robinson, (1966)
Statistical profile of the Chinese in the United States : 1970 census
Sung, Betty Lee, (1978)
Work force adjustments in private industry : their implications for manpower policy
(1968)
Negroes in apprenticeship
(1967)