V. D. Berezutsky
Voronezh State Pedagogical University
Russian Federation

Valery D. Berezutsky  – Сand. Sci. (History), Assoc. Prof., Department of Russian History

Voronezh 

Yu. I. Gak
The State Historical Museum; Institute of Physicochemical and Biological Problems in Soil Science of the Russian Academy of Sciences
Russian Federation

Yevgeny I. Gak – Сand. Sci. (History), Senior Researcher

Moscow 

Pushchino 

V. V. Kileynikov
Voronezh State Pedagogical University
Russian Federation

Viktor V. Kileynikov – Сand. Sci. (History), Assoc. Prof.

Voronezh 

A. M. Skorobogatov
Institute for the History of Material Culture Russian Academy of Science
Russian Federation

Andrei M. Skorobogatov – Сand. Sci. (History), Senior Researcher

St. Petersburg