Columbia subject headings:
France--Colonies--Madagascar.
France--Colonies--Vietnam, Northern.
Madagascar--Description and travel.
Vietnam, Northern--Description and travel.
Harvard subject headings:
France--Colonies--Madagascar.
France--Colonies--Vietnam, Northern.
France--Colonies--Vietnam--Tonkin.
Madagascar--Description and travel.
Vietnam, Northern--Description and travel.
Princeton subject headings:
France--Colonies--Madagascar.
France--Colonies--Vietnam--Tonkin.
Madagascar--Description and travel.
Tonkin--Description and travel.