Title: Письма из Владимирской тюрьмы
Subjects: Correspondence, Imprisonment, Intelligence officers, Prisoners, Secret service, Spies, Generals, Prisons, History, Muzeĭ "Istorii︠a︡ Vladimirskoĭ ti︠u︡rmy.", Muzeĭ "Istorii︠a︡ Vladimirskoĭ ti︠u︡rmy"
Places: Soviet Union
People: Naum Ėĭtingon (1899-1981)