Title: Rukopisi, redkie izdanii︠a︡, arkhivy
Subjects: Archival materials, Manuscripts, Russian (Old), Sources, Nauchnai︠a︡ biblioteka im. A.M. Gorʹkogo (Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova), Rare books, History