Abadi, 18 Sept 1951, p. 2: Antara report that Gerwis chair S.K. Trimurti was arrested on the Attorney General's order on 17 Sept 1951 at the Jakarta immigration office while arranging a passport for China; Sukiman-era anticommunist climate.
CIA intelligence survey of the PKI's history, structure and front organisations, May 1955, before the September 1955 elections. Section III.E (report pp. 49-50) profiles Gerwani: founded 1950 as Gerwis, renamed Gerwani at the March 1954 congress, 25,000+ members, S.K. Trimurti general chairman and Umi Sardjono chairman
Roger Paget's 1970 Cornell PhD thesis on how student and youth action groups, culminating in KAMI, emerged after 1 October 1965 and helped undermine Sukarno. Gerwani appears in several passages: action fronts demanded its banning (p. 44) and its offices were ransacked (p. 63); Herlina denounced it for not fighting Mala
FBIS translated excerpt (Suara Pembaruan, 7 Aug 1996): at a meeting of senior journalists, Information Minister Harmoko warned of PKI penetration of the press and propaganda, praising the New Order. Mrs S.K. Trimurti, 84, was among those given accident insurance cards. Gerwani is not named.
Bali Post, 30 Sept 1996, p. 1: at a youth seminar on the 'latent danger of communism' Amien Rais says Gerwani 'slashed' the generals; Taufiq Ismail cites S.K. Trimurti as ex-Gerwani; PRD branded 'new PKI'.