Columbia subject headings:
Harvard subject headings:
Bautista Vivas, Marco Tulio, 1921-1952.
Colombia--Politics and government--1946-1974.
Guerrillas--Llanos (Colombia and Venezuela)--History.
Llanos (Colombia and Venezuela)--History.
Princeton subject headings:
Bautista Vivas, Marco Tulio, 1921-1952.
Colombia--Politics and government--1946-1974.
Guerrillas--Llanos (Colombia and Venezuela).