Columbia subject headings:
Cocaine industry--Colombia.
Colombia--Description and travel.
Smith, Stephen, 1961---Travel--Colombia.
Harvard subject headings:
Cocaine industry--Colombia
Colombia--Description and travel.
Smith, Stephen, 1961---Journeys--Colombia.
Princeton subject headings:
Cocaine industry--Colombia.
Colombia--Description and travel.
Frost, Leslie, 1900-1966.
Smith, Stephen, 1961---Travel--Colombia.