: Fotodocumentatie archief kunsthandel P. de Boer; Tent.cat. kunsthandel P. de Boer, Amsterdam, juli-augustus 1937, nr.9 (afb.); Tent.cat. kunsthandel P. de Boer, Amsterdam, juni-juli 1939, nr.9; RKD fotodocumentatie
The provenance data in this portal was first collected and published by the former Origins Unknown Agency. Since 1 September 2018 it has been administered by the Expert Centre Restitution at the NIOD Institute for War, Holocaust and Genocide Studies. It is possible that the data currently shown is outdated and therefore incorrect. No rights may be derived from the information shown.
The RCE is the custodian of the NK Collection and from 2022 will again be carrying out systematic provenance research into it. If you notice any incorrect information, you can report it here. We would also be glad to hear from you if you know more about an item or have any questions about it.
