De Locomotief, 13 May 1948: satirical column by an 'Indonesian collaborator' on life in the Republic. It says former Minister of Labour S.K. Trimurti, after the fall of the Amir cabinet, is 'a wiser but sadder woman' who no longer speaks publicly, and that Republican women were reluctant to speak at meetings. Hostile,
Neue Zürcher Zeitung, 24 April 1965, long analytical article 'Aidit and Indonesian Communism: on the springboard to power'. It reviews the Indonesian crisis, PKI history from 1920 through Madiun 1948, Aidit's rise and biography. Gerwani appears once, as a PKI front organisation with 1.5 million members, alongside SOBSI
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.