There are 29 rare books in the museum's collection. These are  manuscripts and early printed books, including the unique examples of  XVI - early XX centuries: a handwritten singing book; Incunabula: The gospels 1600 A.D. (reprint of the P.T. Mstislavets gospels, 1575); "Lives of the Saints by Metropolitan Demetrius of Rostov (September, October, November)," 1852; "Breviary", 1876 ; "Octoy and Stichera on Sunday Vespers", 1913 - the singing book, which text is accompanied by special musical writing symbols - "signs" or "hooks".