RT Journal Article SR Electronic A1 Dittmann, Robert T1 Archives of the Communist Czechoslovak State Security on A. V. Issatschenko JF Bohemica Olomucensia YR 2018 VO 10 IS 1 SP 46 OP 83 DO 10.5507/bo.2018.004 UL https://bohemica.upol.cz/artkey/boh-201801-0004.php AB Alexander Vasiľevich Issatschenko (1911-1978), one of the prominent and most inspiring Slavists of the 20th century, was a long-term object of interest of the Czechoslovak Communist State Security.The contribution attempts to present the archival materials collected and fragmentarily preserved especially in the Archive of the Security Services in Prague, Czech Republic.