Union scales of wages and hours of labor, 1929 and 1930
Subtitle: together with a directory of California reporting trade-unions
By: issued by the Division of labor statistics and law enforcement...
Series: Special bulletin -- no. 4
Published: 1931
Place of publication: San Francisco
Language: eng
Number of pages: 72
Subjects: Labor -- California.; Working class -- California.; Wages -- California.; Labor unions -- California.