Four Foreign Rulers, Tomb of Puyemre by Norman de Garis Davies https://www.rawpixel.com/image/9087260/four-foreign-rulers-tomb-puyemre-norman-garis-daviesFree Image from public domain licenseEdith Louisa Cavell. Proceess print after pastel drawing by Eleanor M. Ross. https://www.rawpixel.com/image/13966642/edith-louisa-cavell-proceess-print-after-pastel-drawing-eleanor-rossFree Image from public domain licenseBuildings and alumni of Charterhouse, London and Surrey. Colour lithograph by Beynon & Company after [H. Hale]. https://www.rawpixel.com/image/13978677/image-cartoon-face-personFree Image from public domain license