Skazanii︠a︡ o svi︠a︡tykh Borisie i Gli︠e︡bi︠e︡. Sil'vestrovskiĭ spisok XIV vi︠e︡kaImperatorskoe russkoe arkheologicheskoe obshchestvo1860.rusContains facsimile of 14th century mss., one attributed to Nestor, annalist, d. 1115, (facsim. p. 1-56) the other to I︠A︡kov Chernorizets, monk, 11th century (facsim. p. 59-147).