Columbia subject headings:
Harvard subject headings:
France--History--Coup d'état, 1851.
France--History--Second Empire, 1852-1870.
French--Algeria
Gers (France)--Genealogy.
Gers (France)--History.
Princeton subject headings:
Algeria--Emigration and immigration.
Deportation--France--Gers.
Gers (France)--Genealogy.
Gers (France)--History.
Registers of births, etc.--France--Gers.