M. de Vlaminck, 1920.

Union List of Artists Names Online, sitio web, 18 agosto 2016: (Vlaminck, Maurice de (French painter, 1876-1958) Names: Vlaminck, Maurice de; Maurice de Vlaminck; Vlaminck, Maurice; Vlaminck, Maurice De; Maurice De Vlaminck; Devlaminck, Maurice; De Vlaminck, Maurice) http://www.getty.edu/vow/ULANFullDisplay?find=Vlaminck%2C+Maurice&role=&nation=&prev_page=1&subjectid=500008582

RKD artists, sitio web, 18 agosto 2016: (Maurice de Vlaminck, male / French watercolorist, manufacturer of gouaches, graphic artist, illustrator, painter, draftsman. Born: Paris, 1876-04-04/1876-04-05; Deceased: Rueil-La-Gadelière, 1958-10-10) https://rkd.nl/explore/artists/81419