Columbia subject headings:
Harvard subject headings:
Peddling--France--Briançon--History.
Peddling--France--Le Bourg-d'Oisans--History.
Roads--France--History.
Princeton subject headings:
Dauphiné Alps Region (France)--Economic conditions.
Mountain roads--France--Dauphiné Alps Region.
Peddlers and peddling--France--Dauphiné Alps Region--History--19th century.