Der Sturm 7, no. 1 (1916) - Der Sturm 9, no. 12 (1919) by Jacoba van Heemskerck, Maria Uhden, Oswald Herzog, Arnold Topp… https://www.rawpixel.com/image/11932965/image-art-pattern-vintageFree Image from public domain licenseScheefliggend zeilschip (1886 - 1923) by Jacoba van Heemskerck https://www.rawpixel.com/image/13768182/scheefliggend-zeilschip-1886-1923-jacoba-van-heemskerckFree Image from public domain license