Text ( visual ) : unmediated Статистические сведения о деятельности органов ВЧК-ОГПУ-НКВД-МГБ (1918-1953 гг.) : статистический справочник / Олег Мозохин. -- Москва : Алгоритм , 2016. -- 446 p. ; 25 cm. -- "Историко-публицистическое издание"--Colophon. -- ISBN 9785906842732 ; (BB23363762) ; https://ci.nii.ac.jp/ncid/BB23363762 Author Heading(s): Mozokhin, Oleg. -- Classification(s): LCC : HV8224. -- Subject Heading(s): LCSH : Soviet Union -- Politics and government -- 1917-1936 -- Sources ; LCSH : Soviet Union -- Politics and government -- 1936-1953 -- Sources ; LCSH : Russia (Federation). Ministerstvo vnutrennikh del -- History -- Sources ; LCSH : Internal security -- Soviet Union -- History -- Sources ; LCSH : Secret service -- Soviet Union -- History -- Sources ; LCSH : Intelligence service -- Soviet Union -- History -- Sources ; LCSH : Statistics