Indische Courant voor Nederland front page (29 Sep 1948) on the Madiun affair: the KNIP working committee grants Sukarno full emergency powers for three months (25-1); Hatta blames 'PKI-Musso'; arrests of FDR communist leaders in Magelang, curfews in Kediri; Solo youth back the government. Soewarti of the labour party
Tempo.co explainer (29 Sept 2021) on organisations 'considered affiliated' with the PKI: Gerwani, Lekra, SOBSI, Pemuda Rakjat. It states, citing Wieringa, that Gerwis became Gerwani at its 1954 second congress, electing PKI member Umi Sardjono as chair. Short, background-level.
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