Columbia subject headings:
Colombia--Boundaries--Venezuela.
Maracaibo, Gulf of (Colombia and Venezuela)--History.
Territorial waters--Colombia.
Territorial waters--Venezuela.
Venezuela--Boundaries--Colombia.
Harvard subject headings:
Colombia--Boundaries--Venezuela.
Maracaibo, Gulf of (Colombia and Venezuela)--History.
Territorial waters--Colombia.
Territorial waters--Venezuela.
Venezuela--Boundaries--Colombia.
Princeton subject headings:
Colombia--Boundaries--Venezuela.
Territorial waters--Colombia.
Territorial waters--Venezuela.
Venezuela--Boundaries--Colombia.