Columbia subject headings:
Harvard subject headings:
Christian socialism--Germany--Mannheim--History.
Labor--Germany--Mannheim--Religious aspects--Christianity--History.
Labor--Religious aspects--Christianity--Germany--Mannheim--History.
Princeton subject headings:
Baden (Germany)--Church history.
Evangelische Landeskirche in Baden--History.
Labor movement--Germany (West)--Mannheim--History.
Labor--Religious aspects--Christianity--Gemany (West)--Baden--History.
Mannheim (Germany)--Church history.