Wages and hours of labor in the Portland cement industry, 1929 ... January, 1931.
Wages and hours of labor in the Portland cement industry, 1929 ... January, 1931.
- Washington, U.S. Govt. Print. Off., 1931.
- iii, 62 p. incl. tables. 23 cm.
- Bulletin of the United States Bureau of Labor Statistics, no. 525 Wages and hours of labor series .
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.
l 31000043
Wages--United States.
Hours of labor.
Portland cement.
HD8051 / .A62 no. 525
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.
l 31000043
Wages--United States.
Hours of labor.
Portland cement.
HD8051 / .A62 no. 525