Columbia subject headings:
Harvard subject headings:
Geology--France--Aquitaine (Region)--Guidebooks.
Geology--France--Languedoc Region--Guidebooks.
Geology--Pyrenees--Guidebooks.
Ore deposits--France--Aquitaine (Region)--Guidebooks.
Ore deposits--France--Languedoc Region--Guidebooks.
Ore deposits--Pyrenees--Guidebooks.
Princeton subject headings:
Geology--France, Southern.
Ore deposits--France, Southern.