Journal article by Reuven Kahane (Contributions to Asian Studies, vol. 5, 1974) giving a structural-sociological explanation of the 1965 coup and army dominance in Indonesia: religious-class polarisation, failing Sukarno-era control mechanisms, and the army's rise. Gerwani appears only in a footnote listing PKI-affilia
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
Hermawan Sulistyo's 1997 Arizona State history PhD, 'The Forgotten Years', studies the 1965-66 killings in Jombang-Kediri, East Java, from interviews and documents, finding no single national pattern and stressing local conflict and military-backed operations. Gerwani appears in passing: its claimed 1.75 million member