Columbia subject headings:
Harvard subject headings:
Comoros--Politics and government.
Humblot, Léon, 1852-1914.
Princeton subject headings:
France--Colonies--Africa--History.
Grande Comore (Comoros)--History.
Humblot, Léon, 1852-1914.
Said Ali bin Said Omar, Sultan of Grande Comore, 1852?-1916.