Columbia subject headings:
Harvard subject headings:
Migration, Internal--France--Provence--Congresses.
Provence (France)--Emigration and immigration--History--Congresses.
Provence (France)--History--Congresses.
Provence (France)--Population--Congresses.
Princeton subject headings:
Migration, Internal--France--Provence--Congresses.
Provence (France)--Emigration and immigration--History--Congresses.
Provence (France)--History--Congresses.
Provence (France)--Population--Congresses.