TY  - BOOK
AU  - Derks, Hans
TI  - History of the Opium Problem: The Assault on the East, ca. 1600 - 1950
SN  - 9789004221581
PY  - 2012///
CY  - Leiden
PB  - Brill
KW  - History -- Opium -- Foreign Relations -- Qing -- Republican Era
ER  -