Nonagricultural employment manufacturing hours and earnings, 1957 S[tandard] I[ndustrial] C[lassification]
By: prepared by Research and Analysis Division, Maryland Dept. of Employment Security, in cooperation with U.S. Bureau of Labor Statistics
Published: 1963
Place of publication: Baltimore]
Language: eng
Subjects: Working class; Statistics; Wages; Hours of labor
Notes: Cover title.