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
PhD dissertation in History (UCLA, 2014) by Dahlia Gratia Setiyawan on U.S. anti-communist operations and the 1965-66 purge in Surabaya. Gerwani appears in context: as the PKI's women's affiliate (ch. 1), through the Surabaya women's coalition GOWS in the 27 September 1965 Grahadi demonstration (ch. 4), and in the Army