TY  - BOOK
AU  - Weber,Gustavus Adolphus
ED  - United States.
TI  - The Bureau of labor statistics, United States Department of labor
AV  - HD8051 .A62 no. 351
PY  - 1922///
CY  - Washington
PB  - Govt. print. off.
KW  - United States
KW  - Bureau of Labor Statistics
ER  -