Columbia subject headings:
Harvard subject headings:
La Roche-sur-Yon (France)--History.
La Roche-sur-Yon (France)--Social life and customs.
Postcards--France--La Roche-sur-Yon.
Princeton subject headings:
La Roche-sur-Yon (France)--History.
La Roche-sur-Yon (France)--Social life and customs.