「PUTIN’S ASYMMETRIC ASSAULT ON DEMOCRACY IN RUSSIA AND EUROPE: IMPLICATIONS FOR U.S. NATIONAL SECURITY」(COMITTEE ON FOREIGN RELATIONS UNITED STATES SENATE, January 2018)、「THE KREMLIN’S TROJAN HORSES」(Atlantic Council,November 2016)、「THE KREMLIN’S TROJAN HORSES 2」(Atlantic Council,November 2017)より作成