GEM/4/1/4/2/50
Drugs
nd, [c1970s]-[c2000]
GEM/4/1/5/1/7
Australia
1970s-1980s
GEM/4/1/5/1/22
Canada
1967
GEM/4/1/5/1/117
United Kingdom
[c.1969-c. 1980s]
GEM/4/1/5/1/124
Zambia
nd [c.1967-c.2002]