UK Foreign Office file FO 371/180325 (1965), 'Attempted coup against Sukarno [16]': letters and telegrams from Djakarta, NATO Paris, Washington and The Hague, late November 1965 to January 1966. It follows the regional bans of the PKI, Sukarno's Nasakom speeches, Aidit's fate and translated interrogations of Untung and
US Consulate Medan telegram, 6 December 1965: after the PKI's 'virtual destruction' in Sumatra the Army extends control over civil service, press, youth, National Front and Hansip. Shows the institutional consolidation that followed the killings.
South China Morning Post, 17 July 1999, p.37, Marian Wilkinson (Sydney Morning Herald), 'Killing off the communists': newly released US embassy and CIA cables show US officials encouraging the army's anti-PKI campaign in Oct-Nov 1965, urging anti-PKI propaganda that links 'diabolical murder and mutilation of the genera
Jess Melvin's 2018 monograph arguing the 1965-66 killings were a genocide planned and coordinated by the army, based on about 3,000 pages of Aceh military records and interviews. Key evidence on army responsibility.