Popov's typed manuscripts include his memoirs of his family through the Revolution, his work in Soviet factories from 1928 to the outbreak of World War II, and his analysis of the Vlasov movement.

Duvings memoirs, "Velikaia Skorb'", primarily concern his experiences in General Vlasov's Russian liberation army (Russkaia Osvoboditel'naia Armiia) during the World War II.