Vrangel', Petr Nikolaevich: Zapiski v 2-kh kn.: Kn. 1 (Noiabr’ 1916g.-mart 1920g.), Kn. 2 (mart 1920g.-noiabr’ 1920 g.) (Notes in two books: Book 1 (November 1916-March 1920); Book 2 (March 1920-November 1920)), 1916-1920.