Classified index of occupations and industries 1950 census of population.

Manylion Llyfryddiaeth
Awdur Corfforaethol:	U.S. Bureau of the Census
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Washington U.S. Govt. Print. Off. 1950.
Pynciau:	Occupations. United States > Occupations.