Possible possessor / holder: Frenkel, Th. [nl] Location: Amsterdam [nl] Archival source: Archief SNK nr. 635
Possible possessor / holder: Denijs, J. [nl] Role: art dealers Location: Amsterdam [nl] Archival source: Archief SNK nr. 635
Possible possessor / holder: Schultz, G. [nl] Location: Berlijn [nl] Archival source: Archief SNK nr. 635
