A resolution of the Council of Ministers of the BSSR on measures for the further development of Polotsk and the preservation of its cultural and historical heritage was adopted
Resolution No. 270 of the Council of Ministers of the BSSR “On measures for the further development of Polotsk and the preservation of its cultural and historical heritage” NARB. F. 7. Op. 10. D. 1539. L. 4-7. The original. Typewriting
