Order No. 434 of the Ministry of Gas Industry «On the transfer of the Novogrudok plant «Metallist» of the Ministry of Local Industry of the Belarusian SSR to the jurisdiction of the Ministry of Gas Industry»
Zon. St. Arch. in Novogrudok. Сoll. 506. Inv. 1. File. 72. Sht. 63. Certified copy. Typescript