Title: Otechestvennye spet͡ssluzhby i Krasnai͡a armii͡a, 1917-1921
Subjects: Intelligence service, History, Secret service, Russian S.F.S.R. Raboche-Krestʹi͡anskai͡a Krasnai͡a Armii͡a, Russian S.F.S.R.
Places: Soviet Union