Договор об образовании СССР
Grigory Ivanovich Petrovsky (, "Hryhoriy Ivanovych Petrovsky") (3 February 1878 - 9 January 1958) was a Ukrainian Soviet politician and Old Bolshevik. He participated in signing the Treaty on the Creation of the USSR and the Treaty of Brest-Litovsk. Petrovsky was one of the officials responsible for implementing Stalin's policies such as collectivization.