Forty years of the campaign against narcotic drugs in the United Arab Republic
Giver of delight or Liberator of sin: Drug use and "addiction" in Asia
Absorption of morphine from opium by porous earthen pots
Coca paste - Residues from the industrial extraction of cocaine Ecgonine and anhydroecgonine
Inter-American Consultative Group on Coca Leaf Problems, Lima, 14-21 December 1964
World Health Organization Expert Committee on Dependence-producing Drugs: Fourteenth Report
Note - Changes in the scope of control