Yvan Ivanovich Okhlobystin, Artemy Troitsky and Kovriga Oleg told about Petr Nikolaevich Mamonov in the book of memoirs
Publishing house "Counterfeit" published the collection of memories of Petr Nikolaevich Mamonov "What I to you Petr Nikolaevich Mamonov (Commemoration on Petr Nikolaevich Mamonov)". The book is built on...