Keywords: Nico Engelschman - portret.jpg nl Niek Engelschman 1930's http //resources huygens knaw nl/bwn1880-2000/lemmata/bwn6/engelschman Huygens knaw nl author other versions Custom license marker 2015 02 13 Anonymous-EU PD-old Public domain according to Dutch copyright law art 38 1 Niek Engelschman Uploaded with UploadWizard |