I am unsure that is really “Russian Revival structure” in any respect however I can see why some would assume so as a result of its circa date and placement…It does have some parts of RRA however these are literally taken from many vernacular types that the Orthodox Church has inside its a lot older historical past…
As some extent of validation, I do know this construction by affiliation with the work I do as this has no metallic {hardware} in it in any respect and is “all wooden” conventional joinery much like many present in Easter and Northern Europe. This construction has extra to do with medieval “Stav” structure and associated “submit and lintel” compression timber framing than it does with most RRA kinds of development and even design from my perspective and understanding of the craft…