Marinow, K. (2018) “Last Years of Peter’s Reign (963–969)”, in Leszka, M.J. (ed.) The Bulgarian State in 927-969. The Epoch of Tsar Peter I: No. XXXIV. Poland: Lodz University Press (Byzantina Lodziensia), pp. 137–158. doi:10.18778/8142-115-7.09.