Columbia subject headings:
Harvard subject headings:
Felixmüller, Conrad, 1897-1977--Catalogs.
Kunstmuseum Düsseldorf--Catalogs.
Prints, German--Catalogs.
Prints--20th century--Germany--Catalogs.
Prints--Germany--Düsseldorf--Catalogs.
Princeton subject headings:
Felixmüller, Conrad, 1897-1977--Exhibitions.
Felixmüller, Titus--Art collections--Exhibitions.
Kunstmuseum Düsseldorf--Exhibitions.
Müller, Luca Felix--Art collections--Exhibitions.