File:Pablo Picasso, 1909, Woman with a Mandolin, oil on canvas, 92 x 73 cm, Hermitage Museum.jpg

Published in 1920
[https://archive.org/stream/derwegzumkubismu00kahnuoft#page/n83/mode/2up Daniel Henry Kahnweiler, Der Weg zum Kubismus. Published 1920 by Delphin in München. Written in German]