Wages and hours of labor in the Portland cement industry, 1929 ... January, 1931
Series: Bulletin of the United States Bureau of Labor Statistics,; no. 525; Wages and hours of labor series
Publisher: U.S. Govt. Print. Off.
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 62
Subjects: Wages -- United States.; Hours of labor.; Portland cement.
Notes: 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.