De Waarheid, 8 Sep 1954, p. 5: report on an Indonesian women's delegation passing through Amsterdam after five weeks in the USSR (three in Moscow). Members came from different organisations: Masjumi Islamic women (Samsudin), PM Ali Sastroamidjojo's sister, Partai Buruh, a ministry official, students, Wanita Taman Siswa
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
Donald Hindley's 1961 ANU PhD thesis on the Indonesian Communist Party under the Aidit leadership, 1951-1961, covering PKI strategy, party-building, finances, mass organisations and elections. Section 'Women' (pp. 422-448, esp. 'Gerwani', pp. 428-441) traces Gerwis from its founding on 4 June 1950 (about 500 members) t
English edition of Tempo's 'The Feminist in Two Councils' (4 Oct 2021, Hussein Abri) on Umi Sardjono as legislator (Constituent Assembly 1955, DPR-GR 1959-65). It covers her immigration reform, marriage-bill push (minimum age 21, ban on polygamy, Maisuri case, 115 harmful marriages) opposed by Kowani's Islamic groups,