Columbia subject headings:
Franke, Ilse, 1925---Art collections--Exhibitions.
Franke, Rudolf, 1925-2002--Art collections--Exhibitions.
Harvard subject headings:
Franke, Ilse, 1925---Art collections--Exhibitions.
Franke, Rudolf, 1925-2002--Art collections--Exhibitions.
Princeton subject headings:
Franke, Ilse, 1925---Art collections--Exhibitions.
Franke, Rudolf, 1925-2002--Art collections--Exhibitions.