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
Tempo feature (2 Oct 2021) on how Umi Sardjono led Gerwani: Marx House courses, the 1945 Barisan Buruh Wanita with S.K. Trimurti, Gerwis founded at Semarang (3-6 June 1950, Tris Metty chair), Umi chair from 1954 when it became Gerwani. Cites 650,000 members and 179 kindergartens at the 1957 Solo congress, WIDF links, s