Columbia subject headings:
Compagnonnages.
Hatters--France--History--18th century.
Working class--France--History--18th century.
Harvard subject headings:
Compagnonnages.
Hatters--France--History--18th century.
Working class--France--History--18th century.
Princeton subject headings:
Compagnonnages.
Hatters--France--History--18th century.
Working class--France--History--18th century.