TY  - BOOK
ED  - United Nations.
TI  - Prison labour
AV  - JX1977 .A2 ST/SOA/SD/5
U1  - 331.51 
PY  - 1955///
CY  - New York
PB  - United Nations
N1  - "United Nations publication. Sales no.: 1955.IV.7."; Bibliographical footnotes
ER  -