Columbia subject headings:
Harvard subject headings:
Brazza, Pierre Savorgnan de, 1852-1905.
Congo (Brazzaville)--Discovery and exploration.
Congo (Brazzaville)--History--Sources.
Princeton subject headings:
Brazza, Pierre Savorgnan de, 1852-1905.
Congo (Brazzaville)--Discovery and exploration.
Congo (Brazzaville)--History--Sources.