Columbia subject headings:
Prints, European--Catalogs.
Prints--Germany--Karlsruhe--Catalogs.
Prints--Private collections--Germany--Karlsruhe--Catalogs.
Siegel, Ferdinand, 1783-1877--Art collections--Catalogs.
Harvard subject headings:
Engraving, European--Catalogs.
Etching, European--Catalogs.
Prints, European--Catalogs.
Prints--Germany--Karlsruhe--Catalogs.
Prints--Private collections--Germany--Karlsruhe--Catalogs.
Siegel, Ferdinand, 1783-1877--Art collections--Catalogs.
Städtische Kunstsammlungen (Karlsruhe, Germany)--Catalogs.
Princeton subject headings:
Catalogs.
Prints, European--Catalogs.
Prints--Germany--Karlsruhe--Catalogs.
Prints--Private collections--Germany--Karlsruhe--Catalogs.
Siegel, Ferdinand, 1783-1877--Art collections--Catalogs.