TY  - BOOK
ED  - International Labour Office.
TI  - Opium and labour: being a report on a documentary investigation into the extent and effects of opium-smoking among workers
AV  - HD4813 .I4 ser B, no. 22
U1  - 330.82178.8 
PY  - 1935///
CY  - Geneva
KW  - Opium abuse
KW  - Labor and laboring classes
KW  - East Asia
N1  - Microfilmed for preservation
ER  -