The resolution of the Council of Ministers of the BSSR «On the accession of the Byelorussian SSR to the Slavery Convention» was adopted
Resolution No. 509 of the Council of Ministers of the Byelorussian SSR «On the accession of the Byelorussian SSR to the Slavery Convention» Nat. Arch. Rep. of Bel. Сoll. 7. Inv. 4. File. 595. Sht. 157. Script. Typescript.