[by] Irene B. Taeuber and Conrad Taeuber. Prepared in cooperation with the Social Science Research CouncilU.S. Bureau of the Census ; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]1971 [i.e. 1972]
by Daniel O. Price. Prepared in cooperation with the Social Science Research CouncilU.S. Bureau of the Census; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.1969