UK Foreign Office file FO 371/180318 (Oct 1965): Djakarta embassy telegrams, minutes and copied US cables on the 30 September affair. Covers the anti-PKI demonstration and burning of PKI HQ, Sukarno's return, Suharto and Nasution, and Anglo-American debate on backing the generals. Only Gerwani-relevant item: the 10 Oct
UK Foreign Office file FO 371/180324 (1965), 'Attempted coup against Sukarno [15]': telegrams and letters from Djakarta, Washington and Peking, November 1965, plus appended US and Canadian reports. It records Sukarno's Heroes Day speech, Adam Malik's view of the Sukarno-generals stalemate and accounts of 30 September.
US Embassy telegram 779A, 18 Oct 1965: Foreign Ministry aide Sutarto says anti-PKI action is spreading across Sumatra, Sulawesi and Central Java, targeting Subandrio. Early-aftermath political context; no Gerwani content.
USIA Research and Reference Service report R-158-65 (November 1965), a chronology of the anti-Communist campaign in Indonesia, 1-20 October 1965, built on Indonesian and foreign radio and press. Gerwani entries: Suharto's 4 Oct TV statement linking the generals' murders to Pemuda Rakjat and Gerwani training grounds; NU
US Embassy Joint Situation Report no. 51, 12 Nov 1965: Army-Sukarno contest plus a security section on riots in Makassar, a massacre of 200 PKI prisoners in Bone and arrests in Jakarta. No Gerwani mention; shows how killings were framed as a 'security' item.
US Embassy Joint Weeka no. 45 (airgram A-353), 30 Nov 1965: Nasution says repression of the PKI has reached 'mass executions' in several provinces; Army-Sukarno contest. Note: Gerwani not specifically named in the excerpt; high-level context.