- Revolutionary events in Polotsk. 1917
- German occupation. February - November 1918
- Formation of the organs of Soviet power. Karp Fedotovich Gotovsky
- The Polish occupation. September 1919 - May 1920
- Courses of Red commanders in Polotsk. November 20, 1920 - October 9, 1922
- Social and economic situation of Polotsk. 1919-1924
- Educational and cultural institutions
- Polotsk Special Music School. The Polotsk Folk Music School for Adults. September 1920.
- Photo by Yudel Bermant
- State and religion. 25.04.-21.05.1922 - confiscation of church values
- Deinis, teacher, local historian, honorary citizen of Polotsk
- Commission of the Preservation of Antiquities and Art
- Politics of Belarusization in Polotsk
- Development of the Pioneer and Komsomol movements
- Polotsk city hospital. 1921-1939
- Polotsk in the days of the totalitarian regime of Stalin. Mikhail Tikhonovich Konstantinov
- Social and economic situation of Polotsk. 1925-1941
- Development of agriculture and industry. 1930's
- Development of education in Polotsk. 1930s
- The Polotsk region on the eve of the Great Patriotic War