Audio (9:23) of the Radio Republik Indonesia broadcast of 1 October 1965 announcing the 30 September Movement's 'Dewan Revolusi' (Revolutionary Council), uploaded to the Internet Archive; provenance unverified. Primary source for the coup's opening moments; Gerwani not mentioned in the description.
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.
Long Tempo feature (6 Oct 1984), New Order-era 'scattered stories' of 30 Sept-1 Oct 1965 told by witnesses: Catherine Panjaitan, Dewi Sukarno, Bambang Wijanarko, Mangil, Roeslan Abdulgani, Sugandhi, Salim Said, Syu'bah Asa. Frames events as a PKI coup and describes army/RRI takeover. Gerwani is not mentioned.