Columbia subject headings:
Harvard subject headings:
Gunpowder industry--France--Saint-Médard-en-Jalles--History.
Saint-Médard-en-Jalles (France)--History.
Princeton subject headings:
France--History--Revolution, 1789-1799--Economic aspects.
Gunpowder industry--France--Saint-Médard-en-Jalles--History.
Saint-Médard-en-Jalles (France)--Economic conditions.