"Палеологовият синодик в славянски превод [Paleologian variant of Synodicon in Slavic translation]", Иван Билярски, София 2013 : [recenzja]

Studia Ceranea : journal of the Waldemar Ceran Research Centre for the History and Culture of the Mediterranean Area and South-East Europe, Tom 4 (2014) s. 318-320
Jan Mikołaj Wolski , Иван Билярски (aut. dzieła rec.)