A group of participants.
A group of participants at the Firat Congress of conservatory directors and art-board members of Russia. A page from the “Ves Mir” (“Entire World”) magazine, Iss №3, 1917.
A page from B.L. Yavorsky`s student work.
A page from B.L. Yavorsky`s student work on forms with marks made by S.I. Taneyev.