Columbia subject headings:
Bridges--France--Saint-Pourçain-sur-Sioule Region--Design and construction--History.
Bridges--France--Saint-Pourçain-sur-Sioule Region--History.
Saint-Pourçain-sur-Sioule Region (France)--Description and travel.
Saint-Pourçain-sur-Sioule Region (France)--History.
Saint-Pourçain-sur-Sioule Region (France)--Pictorial works.
Harvard subject headings:
Princeton subject headings:
Bourbonnais (France)--Description and travel.
Bridges--France--Bourbonnais--Design and construction.
Bridges--France--Bourbonnais--History.