Oswald's horses: 'Musket', 'Uplands' and 'Roulette', with grooms
University of Bristol - Historical Photographs of China reference number: Os04-002. Photo from an album (UoB reference Os04) kept in the School of Oriental and African Studies Archives, London (SOAS reference MS 380 876/4).
Black and white photograph
Archives & Special Collections, SOAS Library, University of London