Columbia subject headings:
Labor movement--Germany--Baden--History--Sources.
Labor movement--Germany--Württemberg--History--Sources.
Socialism--Germany--Baden--History--Sources.
Socialism--Germany--Württemberg--History--Sources.
Harvard subject headings:
Labor movement--Germany--Baden--History--Sources.
Labor movement--Germany--Württemberg--History--Sources.
Socialism--Germany--Baden--History--Sources.
Socialism--Germany--Württemberg--History--Sources.
Working class--Germany--Baden--History--Sources.
Working class--Germany--Württemberg--History--Sources.
Princeton subject headings:
Labor movement--Germany (West)--Baden--History--Sources.
Labor movement--Germany (West)--Württemberg--History--Sources.
Socialism--Germany (West)--Baden--History--Sources.
Socialism--Germany (West)--Württemberg--History--Sources.