Die Aktion Jg. 6, Nr. 39/40 (1916), abstract head illustration by Egon Schiele. Original public domain image from The Los… https://www.rawpixel.com/image/12230469/image-person-art-vintageFree Image from public domain licensePuck's Suggestion for the World's Fair, The Colossus of Chicago Would Knock Out the Eiffel Tower (Puck Magazine) https://www.rawpixel.com/image/9085755/photo-image-art-vintage-public-domainFree Image from public domain licenseDie Aktion Jg. 6, Nr. 39/40 (30. Sept. 1916) by Egon Schiele, Verlag der Wochenschrift Die Aktion and Franz Pfemfert https://www.rawpixel.com/image/11932729/image-paper-person-artFree Image from public domain licenseDer 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 licenseTitelpagina voor: 'De Nieuwe Amsterdammer', 18 juni 1918 (1918) by Jan van Wijk 1890 1923 https://www.rawpixel.com/image/13740853/image-paper-cartoon-faceFree Image from public domain license