Wages and hours of labor in the Portland cement industry, 1929 ... January, 1931 1 edition
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Wages and hours of labor in the Portland cement industry, 1929 ... January, 1931.
U.S. Govt. Print. Off.
Written in English.
At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Ethelbert Stewart, commissioner.
Issued also as House doc. 579, 71st Cong., 3 sess.
|Bulletin of the United States Bureau of Labor Statistics,, no. 525, Wages and hours of labor series|
Library of Congress
|HD8051 .A62 no. 525|
The Physical Object
|iii, 62 p. incl. tables.|
Number of pages