CIA report, 6 April 1950, claiming Aidit and Trimurti visited Ho Chi Minh and would return as his 'agents' to build a people's army in Indonesia. Almost certainly unreliable but links future Gerwis founder S.K. Trimurti to alleged transnational conspiracy.
CIA report, 26 February 1951, on alleged communist-directed strike sabotage in Indonesia via SOBSI and WFTU. Gerwani-relevant only for naming a batik workers' union organised by Mrs Trimurti.
CIA report, 6 May 1954: Trimurti and Dr Thung Sin Nio collecting funds to finance the Gerwis (now Gerwani) congress in Jakarta, 25-31 March 1954, including from Chinese-Indonesian donors. Evidence on congress financing and cross-community support.
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