Istoricheska︠i︡a kollek︠t︡si︠i︡a Ėrmitzhnogo sobrani︠i︡a rukopiseĭ : Pam︠i︡atniki XI-XVII vv. ; opisanie - Alʹshi︠t︡s, D. N. (Archives and manuscript collections in the USSR. Moscow and Leningrad, 1968)