Abadi, 31 July 1951, p. 1: Aneta report that SOBSI and left groups including Gerwis formed a separate 17 August committee in Yogyakarta, denouncing the municipal committee as undemocratic.
US Embassy Djakarta airgram A-300 (22 Oct 1965, Edward Masters), a 46-page analysis of the 30 September Movement, the PKI, Sukarno, Air Force and army prospects. Gerwani appears only twice: as members of PKI paramilitary TIK units trained at Halim, and as PKI women said to have taunted and humiliated the generals at Lu
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