Columbia subject headings:
Communist International.
Labor--France--Lyon--History.
Labor--Political activity--France--Lyon--History.
Working class--France--Lyon--History.
Working class--Political activity--France--Lyon--History.
Harvard subject headings:
Communist International
International Workingmen's Association--France--Lyon.
Labor movement--France--Lyon--History.
Labor--France--Lyon--History.
Labor--France--Lyon--Political activity--History.
Working class--France--Lyon--History.
Working class--France--Lyon--Political activity--History.
Working class--Political activity--France--Lyon--History.
Princeton subject headings: