Columbia subject headings:
Harvard subject headings:
Le Bel, Antoine.
Petroleum industry and trade--France--Pechelbronn--History--18th century.
Princeton subject headings:
Auzillon de La Sablonnière, Louis-Pierre, 1740-1760.
Hoeffel, Jean Théophile, 1704-1781.
Le Bel, Antoine, 1735-1788.
Pechelbronn (France)--Economic conditions.
Petroleum industry and trade--France--Pechelbronn--History.