1960 census and 1970, 1975 projected total employment :
by occupation, by residence, by state, by major areas and counties in major areas, and selected smaller areas /
Commonwealth of Pennsylvania, Dept. of Labor and Industry, Bureau of Employment Security, Research and Statistics Division, Labor Market Information Section.
APA Citation
Pennsylvania. Labor Market Information Section. (1969). 1960 census and 1970, 1975 projected total employment: by occupation, by residence, by state, by major areas and counties in major areas, and selected smaller areas. [Harrisburg?: The Section].
MLA Citation
Pennsylvania. Labor Market Information Section. 1960 Census And 1970, 1975 Projected Total Employment: by Occupation, by Residence, by State, by Major Areas And Counties In Major Areas, And Selected Smaller Areas. [Harrisburg?: The Section], 1969.
Warning: These citations may not always be complete (especially for serials).