Brig. Gen. Supardjo's 1966 analysis, addressed to 'comrade leaders', of why the 30 September Movement failed, published by John Roosa in 2008. The only first-hand assessment by a movement leader.
UK Foreign Office file FCO 15/155 (Feb 1967 to June 1968) of Jakarta embassy letters, press cables and an air attache's report on the Mahmilub trials of Supardjo and Omar Dani, plus a June 1968 note on a Soviet protest over PKI prisoners. Gerwani appears only in the Omar Dani report, as female youth trained at Lubang B
Journal article by Coen Holtzappel (Journal of Contemporary Asia, 1979) analysing the Untung and Njono trial records to argue the 30 September Movement was steered by Air Force and Army intelligence, with Sjam's Pringgodani group deliberately compromising the PKI and Aidit. Gerwani is mentioned only once, in a footnote