Columbia subject headings:
Apprentices--Germany--Rhineland--History.
Journey workers--Germany--Rhineland--History.
Journey workers--Germany--Rhineland--Societies, etc.--History.
Harvard subject headings:
Apprentices--Germany--Rhineland--History.
Journey workers--Germany--Rhineland--History.
Journey workers--Germany--Rhineland--Societies, etc.--History.
Princeton subject headings:
Apprentices--Germany (West)--History.
Apprentices--Rhine River Valley--History.
Artisans--Germany (West)--History.
Artisans--Rhine River Valley--History.