Convolute book: N. A. Rimsky-Korsakov. Works for piano: Variations on the theme “BACH”, 4 pieces, op. 11, Waltz, Romance, Fugue Op. 15, Six Fugues, Concerto cis-moll for piano and orchestra arranged for 2 piano and other works. Publishing house M. P. Belaieff. Leipzig. 1895. On the cover there is a stamp of L. V. Nikolaev, on the pages there are his notes. In the left upper corner is Shostakovich's signature and the date is 1948.