From the Editor
In the articles presented in this issue of the journal, the authors focus their attention on the study of the problems of Russian Orthodoxy of the 16th –20th centuries. The topic included in the title of this issue of the journal brought together representatives of the broadest subject and problem areas of various fields of humanities: historians, philologists, source scientists, and historiographers, archaeographers, textologists, and art historians who are specialists in the study of medieval Russia, the Russian Empire, and the recent Soviet past. Another consolidating point was the research principles professed by the authors of the articles, which are based on a comprehensive analysis of documentary and narrative sources, both well-known and first introduced into scientific circulation.