Cover image for Labor firsts in America.
Title:
Labor firsts in America.
Author:
United States. Department of Labor.
Publication Information:
[Washington] : [U.S. Dept. of Labor, Office of the Secretary] : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.
Physical Description:
31 pages : illustrations ; 21 cm.
Series:
Language:
English
Format :
Book