Petition letter № 2304/20 from the First Secretary of the Board of the USSR Union of Composers, T.N. Khrennikov, to the First Secretary of the Mogilev Regional Committee of the Communist Party of the Soviet Union, Comrade V.S. Leonov, «On improving the living conditions of composer V.V. Brailovsky»
ГАООМог. Ф. 9. Оп. 178. Д. 112. Л. 52. The original. Typescript