The Crescent Arises over the Banyan Tree: Muhammadiyah in a Central Javanese Town (Nakamura, 1976)
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
A Study of 'Aisyiyah, an Indonesian Women's Organization, 1917-1998 (Ro'fah, 2000)
MA thesis (McGill, 2000) by Ro'fah on 'Aisyiyah, the women's wing of Muhammadiyah, from 1917 to 1998, covering the Old Order and New Order. Gerwani is treated as a rival within KOWANI in Ch. 2 (pp. 59-62): Gerwis founded 4 June 1950 and renamed Gerwani in 1954, its mass base among peasant women, literacy classes, marri
Women in the first election (Historia, 2019)
Historia article (2019) on women's wings of parties in the 1955 election (Perwamu, Parkiwa, Wanita Demokrat, Aisyiyah, Bhayangkari), noting the PKI grew close to Gerwani and that Mudigdio and Umi Sardjono entered the DPR for the PKI. Context on Gerwani and elections.