Columbia subject headings:
Chemin de fer Congo-océan.
France--Colonies--Congo (Brazzaville)
Railroads--Africa, French-speaking Equatorial--History.
Railroads--Political aspects--Congo (Brazzaville)
Harvard subject headings:
Chemin de fer Congo-océan
France--Colonies--Congo (Brazzaville)
Railroads--Africa, French-speaking Equatorial--History.
Railroads--Political aspects--Congo (Brazzaville)
Princeton subject headings:
Chemin de fer Congo-océan.
France--Colonies--Congo (Brazzaville).
Railroads--Political aspects--Congo (Brazzaville).