Columbia subject headings:
Harvard subject headings:
Canal du Midi (France)--History.
Canal du Midi Region (France)--Description and travel.
Riquet de Bonrepos, Pierre-Paul, 1604-1680.
Princeton subject headings:
Canal du Midi (France)--History.
Canal du Midi Region (France)--Description and travel.
Riquet de Bonrepos, Pierre-Paul, 1604-1680.