Possible possessor / holder: Schliep, W. [nl] Location: Hamburg [nl] Archival source: Archief SNK nr. 760 Remarks: Door bemiddeling van Wido Schliep en Lore Kegel. [nl]
Possible possessor / holder: Knauffs, M. [nl] Location: Hamburg [nl] Archival source: Archief SNK nr. 760
