De Nieuwsgier item (7 Aug 1956): railway union SBKA strike in Jember halted two goods trains; the local Gerwani branch voluntarily supplied food to the strikers, and railway management's attempt to register absentees was withdrawn after worker reaction. An example of Gerwani solidarity with labour.
Java-Bode, 7 August 1956, p. 2: report on a railway workers' (SBKA) strike at Jember that stopped two goods trains. The Jember branch of Gerwani voluntarily supplied the strikers with food; management's attempt to register absentees was withdrawn after worker reaction, and there was no disorder.
Iwan Gardono Sudjatmiko's 1992 Harvard sociology PhD thesis compares East Java and Bali to explain the PKI's destruction after 1965, arguing that it followed from the party's 1963 revolutionary strategy and that violence depended on public figures, army units and PKI size. It covers mobilisation, land reform and local