De Nieuwsgier, 17 Sept 1953: the Committee to Support Tunisia issues a manifesto backing Tunisia's freedom struggle against French policy, signed by many party leaders and organisations. S.K. Trimurti signs on behalf of Gerwis, with Maria Ulfah Santoso for Kowani and others for PNI, Masjumi, PSI, Parkindo. Shows Gerwis
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
Compilation of US embassy Djakarta biographical despatches (2 Aug 1960) on members of the new Gotong Royong parliament. Contains profiles of Gerwani figures: Umi Sardjono (Gerwis then Gerwani chairwoman, WIDF delegate 1960), Francisca Fanggidaej (PKI women's group Gerwani board), Setiati Surasto (SARBUPRI, Gerwani link