TY  - BOOK
ED  - United States.
TI  - Hours and earnings in anthracite and bituminous coal mining, 1922 and 1924 ..: September, 1926
T2  - Bulletin of the United States Bureau of labor statistics,
AV  - HD8051 .A62 no. 416
PY  - 1926///
CY  - Washington
PB  - Govt. print. off.
KW  - Hours of labor
KW  - United States
KW  - Wages
KW  - Coal miners
KW  - Coal mines and mining
N1  - At head of title:  U.S. Department of labor.  James J. Davis, secretary.  Bureau of labor statistics.  Ethelbert Stewart, commissioner; Issued also as House doc. 269, 69th Cong., 1st sess
ER  -