Queen Victoria and her family: a composition carte de visite. Photograph. https://www.rawpixel.com/image/14009156/queen-victoria-and-her-family-composition-carte-visite-photographFree Image from public domain licenseFranco-Prussian War: the Crown Prince visiting the wounded. Wood engraving by H. Woods. https://www.rawpixel.com/image/13993382/image-horse-cartoon-personFree Image from public domain licenseFranco-Prussian War: Crown Prince Frederick touring wounded soldiers at Versailles. Wood engraving. https://www.rawpixel.com/image/13996422/image-cartoon-person-crownFree Image from public domain licenseCrimean War: key to the painting of the reception of "Crimean Heroes" by Queen Victoria. Coloured lithograph after J.… https://www.rawpixel.com/image/13981727/image-person-art-public-domainFree Image from public domain licenseVictoria (Vicky) Adelaide Louise, Princess Royal of England and later Empress of Germany, with her husband Friedrich, Crown… https://www.rawpixel.com/image/13978445/image-person-crown-artFree Image from public domain licenseThe funeral of Frederick III, Emperor of Germany, in 1888. Wood engraving, ca. 1888. https://www.rawpixel.com/image/13995338/image-people-church-crossFree Image from public domain licenseFriedrich III, Crown Prince of Germany. Photograph by Reichard & Lindner, 1887. https://www.rawpixel.com/image/14008587/friedrich-iii-crown-prince-germany-photograph-reichard-lindner-1887Free Image from public domain licenseThe death of the Emperor Friedrich III in San Remo: the doctors gathered in another room to discuss the case. Wood engraving… https://www.rawpixel.com/image/13982007/image-plant-person-artFree Image from public domain license