Russian Foreign Intelligence Service (SVR)

Main Intelligence Directorate (GRU) [Military Intelligence]
[ГРУ:  Гла́вное Разве́дывательное Управле́ние]

Federal Security Service (FSB)

Alexander Litvenenko

Anna Politkovskaya

"wet jobs"

Committee for State Security (KGB)
[КГБ:  Комитет государственной безопасности]

Lubyanka on Dzerzhinsky Square

Vladimir Putin 

Cheka (Vcheka - The All-Russian Extraordinary Commission for Combating Counter-Revolution and Sabotage)
[ЧК: Всероссийская чрезвычайная комиссия по борьбе с контрреволюцией и саботажем]

Okhrana 

agent provocateurs 

Father Georgi Gapon

Roman Malinovsky 

Protocols of the Learned Elders of Zion (1905)

Dialogues in Hell (1864)

Russo-Japanese War of 1905

Revolution of 1905

February Revolution of 1917

sealed railway car 

Vladimir Illych Ulyanov (Lenin)

The October "Revolution" 1917

Russian Civil War (1917-1922)

Treaty of Brest-Litovsk

Leon Trotsky

the Sword and Shield

Felix Edmundovich Dzerzhinsky

Chekisty

extra-judicial reprisal

Red Terror

Revolutionary Tribunals

FSB Official Home Page
http://www.fsb.ru/

Russian Intelligence Agencies News (English)
http://www.agentura.ru/english/

CIA History on the Okhrana
Link

Bruce Lockhart British Agent   [text of book]
http://www.gwpda.org/wwi-www/BritAgent/BATC.htm