Social and economic characteristics of the population in metropolitan and nonmetropolitan areas: 1970 and 1960. / [Prepared by Mark S. Littman.
- Washington], U.S. Bureau of the Census; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971.
- Government document
ii, 122 p. 27 cm.
- Current population reports. Special studies ; Series P-23, no. 37.
Its Current population reports: special studies. Series P-23, no. 37.