View of Kangawa at Sunset. Original public domain image from the MET museum. https://www.rawpixel.com/image/7639544/original-public-domain-image-from-the-met-museumFree Image from public domain license
Buildings 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
Robert Koch and Richard Pfeiffer working in a laboratory, investigating the plague in Bombay. Photograph attributed to… https://www.rawpixel.com/image/13999075/photo-image-face-person-hospitalFree Image from public domain license