Columbia subject headings:
Jews--Germany--Wuppertal--History.
Jorde, Fritz.
Teachers--Germany--Elberfeld (Wuppertal)--Biography.
Harvard subject headings:
Elberfeld (Wuppertal, Germany)
Jews--Germany--Wuppertal--History.
Jorde, Fritz.
Teachers--Germany--Wuppertal--Biography.
Wuppertal (Germany)--History.
Princeton subject headings: