Protocol of inspection of the building of St. Sophia Cathedral in Polotsk – an architectural monument of all-Union significance of the 11th-14th centuries
Protocol of inspection of the building of St. Sophia Cathedral in Polotsk – an architectural monument of all-Union significance of the 11th-14th centuries Zon. St. Arch. in Polotsk. Сoll. 700. Inv. 1. File. 23. Sht. 70-70 um. Script. Typescript
