Nikolai Vasilyevich Tchaikovsky (Russian: Никола́йВаси́льевичЧайко́вский; 7 January 1851 [O.S. 26 December 1850] – 30 April 1926) was a Russian revolutionary...
Retrieved 26 April 2019. "Самойлов Василий Васильевич". lavraspb.ru (in Russian). Retrieved 26 April 2019. "Сазонов Николай Фёдорович". lavraspb.ru (in Russian)...