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
Wieringa's 1993 article comparing Gerwani and PKK: Gerwani's growth from 500 Gerwis members in 1950 to a claimed 3 million, its campaigns, an eyewitness account of Lubang Buaya and the army's slander, ideology and a composite life history. Early comparative study.
MA thesis (McGill, 2000) by Ro'fah on 'Aisyiyah, the women's wing of Muhammadiyah, from 1917 to 1998, covering the Old Order and New Order. Gerwani is treated as a rival within KOWANI in Ch. 2 (pp. 59-62): Gerwis founded 4 June 1950 and renamed Gerwani in 1954, its mass base among peasant women, literacy classes, marri