Classified index of occupations and industries 1950 census of population.

Xehetasun bibliografikoak
Erakunde egilea:	U.S. Bureau of the Census
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Washington U.S. Govt. Print. Off. 1950.
Gaiak:	Occupations. United States > Occupations.