Paul Gauguin's Madame Roulin (1888) famous painting. Original from the Saint Louis Art Museum. Digitally enhanced by… https://www.rawpixel.com/image/3897164/illustration-image-art-peopleFree Image from public domain licenseGeorge Wyndham (centre) sits between A.J. Balfour, Prime Minister and Conservative Party leader (left), and to Henry… https://www.rawpixel.com/image/13962369/image-cartoon-person-bookFree Image from public domain licenseBritish Association for the Advancement of Science: speakers at its meeting in Cambridge in 1904. Coloured drawing by A.S.… https://www.rawpixel.com/image/13961764/image-cartoon-face-personFree Image from public domain licenseabstracted image of clouds, rain and waves, with washes of grey and blue. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7651892/image-clouds-watercolor-vintageFree Image from public domain licenseAlbert Guillaume, Georges de Porto-Riche, and Joris-Karl Huysmans. Process print, 19--. https://www.rawpixel.com/image/13968658/image-paper-face-personFree Image from public domain licenseA.J. Balfour as Prime Minister asks John Bull to pay for increasingly costly policies, but eventually John Bull refuses.… https://www.rawpixel.com/image/13961202/image-paper-cartoon-faceFree Image from public domain licenseAlbert Guillaume, Georges de Porto-Riche, and Joris-Karl Huysmans. Process print, 19--. https://www.rawpixel.com/image/14006764/image-cartoon-face-personFree Image from public domain licenseH.H. Asquith (right) asks Arthur Balfour (centre) whether he has sent out invitations to colonial leaders; Balfour replies… https://www.rawpixel.com/image/13973687/image-cartoon-person-artFree Image from public domain license