Coba jelasin Lihat pula dari Okhrana dong

Jonathan Daly, Autocracy under Siege: Security Police and Opposition in Russia, 1866-1905 (DeKalb, Ill.: Northern Illinois University Press, 1998). ISBN 978-0-87580-243-5

Jonathan Daly, The Watchful State: Security Police and Opposition in Russia, 1906-1917 (DeKalb, Ill.: Northern Illinois University Press, 2004). ISBN 978-0-87580-331-9

Catherine Evtuhov, Stephen Kotkin; The Cultural Gradient: the transmission of ideas in Europe, 1789–1991; Rowman & Littlefield, 2003 ISBN 0-7425-2063-3

Charles A. Ruud, Sergei A. Stepanov; Fontanka 16 — The Tsars' Secret Police; McGill-Queen's University Press (paperback, 2002) ISBN 0-7735-2484-3

Paris Okhrana 1885–1905  CIA historical review program (Approved for release 22 September 1993)