Columbia subject headings:
Harvard subject headings:
Bank notes--Germany--History--20th century.
Bank notes--Germany--Pictorial works.
Giesecke & Devrient--History.
Security printing--Germany--History--20th century.
Security printing--Germany--Pictorial works.
Princeton subject headings:
Bank notes--Germany--History--20th century.
Bank notes--Germany--Pictorial works.
Giesecke & Devrient--History.
Security printing--Germany--History--20th century.
Security printing--Germany--Pictorial works.