Schädler, Ulrich (2007). "The doctor's game – new light on the history of ancient board games"(PDF). In Crummy, Philip; Benfield, S.; Crummy, N.; Rigby, V.; Shimmin, D. (eds.). Stanway: An Elite Burial Site at Camulodunum. Britannia Monograph Series. Vol. 24. London, UK: Society for the Promotion of Roman Studies. pp. 359–375. Archived from the original on 12 October 2011 – via academia.edu.
Schädler, Ulrich (2007). "The doctor's game – new light on the history of ancient board games"(PDF). In Crummy, Philip; Benfield, S.; Crummy, N.; Rigby, V.; Shimmin, D. (eds.). Stanway: An Elite Burial Site at Camulodunum. Britannia Monograph Series. Vol. 24. London, UK: Society for the Promotion of Roman Studies. pp. 359–375. Archived from the original on 12 October 2011 – via academia.edu.