“The Princes in the Tower.” 1878. British. Oil on canvas. John Everett Millais, artist (1829-1896). Royal Holloway Collection. In the public domain in the United States because it was published before January 1, 1923. via https://upload.wikimedia.org/wikipedia/commons/c/c0/Princes.jpg.“The Princes in the Tower.” 1861. British. Oil on canvas. Henrietta Ward, artist (1832-1924). via ArtUK. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Ward-Princes.jpg“The Princes in the Tower.” 1831. French. Oil on canvas. Paul Delaroche, artist (1797–1856). Photo credit: Historic Royal Palaces, Tower of London. Fair use license. via https://artuk.org/discover/artworks/the-princes-in-the-tower-134928.