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
Tempo feature (2 Oct 2021, Hussein Abri and Stefanus Pramono) on Umi Sardjono's legislative career: Konstituante (1955) and DPR-GR (1959-65). She pushed immigration reform (no spousal permission), a marriage law banning polygamy with minimum age 21 (opposed by Aisyiyah, Muslimat NU), the 1960 agrarian law for women far
English edition of Tempo's 'The Feminist in Two Councils' (4 Oct 2021, Hussein Abri) on Umi Sardjono as legislator (Constituent Assembly 1955, DPR-GR 1959-65). It covers her immigration reform, marriage-bill push (minimum age 21, ban on polygamy, Maisuri case, 115 harmful marriages) opposed by Kowani's Islamic groups,