Columbia subject headings:
Barrancabermeja (Colombia)--History.
Cities and towns--Colombia--Barrancabermeja--History.
Petroleum industry and trade--Colombia--Barrancabermeja.
Urbanization--Colombia--Barrancabermeja--History.
Harvard subject headings:
Barrancabermeja (Colombia)--History.
Cities and towns--Colombia--Barrancabermeja--History.
Petroleum industry and trade--Colombia--Barrancabermeja.
Urbanization--Colombia--Barrancabermeja--History.
Princeton subject headings: