Work plan for the repair of the right tower of the St. Sophia Cathedral in Polotsk (from correspondence with the department for the protection of architectural monuments of the Office of Architectural Affairs under the Council of Ministers of the BSSR for 1949)

Work plan for the repair of the right tower of the St. Sophia Cathedral in Polotsk (from correspondence with the department for the protection of architectural monuments of the Office of Architectural Affairs under the Council of Ministers of the BSSR for 1949) Zon. St. Arch. in Polotsk. Сoll. 700. Inv. 1. File. 72. Sht. 52, 53. Copy. Typescript