https://collections.britishart.yale.edu/catalog/tms:43226|Vanity Fair: Jockeys; 'An American Jockey', Tod Sloane, May 25, 1899|Godfrey Douglas Gileshttps://collections.britishart.yale.edu/catalog/tms:43214|Vanity Fair: Jockeys; Otto Madden, July 25, 1900|Godfrey Douglas Giles