Columbia subject headings:
Coatzacoalcos (Mexico)--Politics and government.
Coatzacoalcos (Mexico)--Social conditions.
Minatitlán (Veracruz-Llave, Mexico)--Politics and government.
Minatitlán (Veracruz-Llave, Mexico)--Social conditions.
Petroleum industry and trade--Mexico--Coatzacoalcos--History.
Petroleum industry and trade--Mexico--Minatitlán (Veracruz-Llave)--History.
Petroleum industry and trade--Social aspects--Mexico--Coatzacoalcos.
Petroleum industry and trade--Social aspects--Mexico--Minatitlán (Veracruz-Llave)
Harvard subject headings:
Princeton subject headings:
Coatzacoalcos (Mexico)--Politics and government.
Coatzacoalcos (Mexico)--Social conditions.
Minatitlán (Veracruz-Llave, Mexico)--Politics and government.
Minatitlán (Veracruz-Llave, Mexico)--Social conditions.
Petroleum industry and trade--Social aspects--Mexico--Coatzacoalcos.
Petroleum industry and trade--Social aspects--Mexico--Minatitlán (Veracruz-Llave).