Howard Federspiel's PhD thesis (McGill, 1966) on the Persatuan Islam (Persis), the modernist Muslim organisation founded in Bandung in 1923, covering its beliefs, polemics and politics to 1963. Chapter 10 treats Persis views on women's role, veiling and polygamy. It never mentions Gerwani or Gerwis; the only link is a
PhD dissertation (Yale, 1967) by R. William Liddle, a political-science study of local parties and political integration in Simalungun regency and Pematangsiantar, North Sumatra, based on 1963-64 fieldwork. Gerwani appears in a few brief passages in ch. VI: listed among PKI mass organizations (p. 190), given no members
Stewart K. Sutley's MA thesis (Political Science, McGill, 1988) applies Tilly and Aya's 'political conflict' model to the PKI-Army struggle of 1949-65, arguing the PKI's state-within-a-state depended on Sukarno and was destroyed after the army struck at the president. Gerwani is treated only as the PKI's 'women's front