Columbia subject headings:
Music-halls (Variety-theaters, cabarets, etc.)--France--Roubaix--History--19th century.
Roubaix (France)--Social life and customs.
Textile workers--France--Roubaix--History--19th century.
Textile workers--Labor unions--France--Roubaix--History--19th century.
Working class--France--Roubaix--Songs and music--History and criticism.
Harvard subject headings:
Princeton subject headings:
Roubaix region (France)--Social conditions.
Textile workers--France--Roubaix region--History.
Working class--France--Roubaix region--History.