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
De Waarheid, 21 Sep 1955, p. 5: air-mail report on the PKI's 1955 election campaign: Aidit speaking to 700,000 in Yogyakarta, 550,000 in Semarang, Njoto and Lukman elsewhere. In Jakarta, Umi Sardjono, chair of Gerwani, explained why she stands as a non-party candidate on the PKI list, saying its programme matches the d
Mitsuo Nakamura's 1976 Cornell PhD thesis, an ethnography and local history of the Muhammadiyah reform movement in Kotagede, Yogyakarta, arguing that Islamization of Java is an ongoing, internally generated process. Gerwani appears only in passing (p. 208), listed with Pemuda Rakyat and Lekra as PKI-influenced mass org