Robuta

https://www.amstelbooks.com/wim-van-sinderen-fleur-roos-rosa-de-carvalho-erwin-blumenfeld-his-dutch-years-1918-1936-2046.html Erwin Blumenfeld: His Dutch Years 1918-1936 – Wim van Sinderen, Fleur wim van sinderenerwin blumenfelddutchyearsfleur