TY  - BOOK
AU  - Hobbs, Clarence Whitam
TI  - Workamen's compensation insurance: including employers' liability insurance 
AV  - HD 7816.U6 H56
PY  - 1939///
CY  - New York
PB  - McGraw-Hill
KW  - Seguro social
N1  - Incluye índice
ER  -