Columbia subject headings:
Ernst, Max, 1891-1976--Catalogs.
Kreissparkasse Köln (Germany)--Art collections--Catalogs.
Prints--Private collections--Germany--Brühl (Rhein-Erft-Kreis)--Catalogs.
Schneppenheim, Peter--Art collections--Catalogs.
Harvard subject headings:
Ernst, Max, 1891-1976--Catalogs.
Kreissparkasse Köln (Germany)--Art collections--Catalogs.
Prints--Private collections--Germany--Brühl (Erftkreis)--Catalogs.
Schneppenheim, Peter--Art collections--Catalogs.
Princeton subject headings:
Artists' illustrated books--Private collections--Germany--Brühl (Erftkreis)--Catalogs.
Catalogs.
Ernst, Max, 1891-1976--Catalogs.
Kreissparkasse Köln (Germany)--Art collections--Catalogs.
Prints--Private collections--Germany--Brühl (Erftkreis)--Catalogs.
Schneppenheim, Peter--Art collections--Catalogs.