Changes between the 1950 and 1960 occupation and industry classifications, with detailed adjustments of 1950 data to the 1960 classifications,
Priebe, John A.,1937-
[Washington] U.S. Dept. of Commerce, Bureau of the Census; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
1968]
Occupations
Industries