Batam Pos, 2 Feb 2015, p. 2: reference box 'Gerwani' (from Kamus Sejarah Lengkap) defining Gerwani as a PKI-affiliated women's organisation, recounting Gerwis's founding at Semarang on 4 June 1950 from six groups, with an archival photo of a marriage-law rally.
Indonesian Wikipedia article (retrieved 13 Oct 2026) with a short institutional history of Gerwani: founding 4 June 1950 from six regional organisations, Tris Metty as first chair, membership growth to 3 million in 1965, PKI influence and dissolution on 12 March 1966. Encyclopedic summary.
English Wikipedia article on Gerwani (retrieved 13 Oct 2026), a long synthesis relying on Wieringa, Blackburn, Martyn and Drakeley, covering post-independence context, 1950 founding, activities and the 1965 destruction. Encyclopedic summary; flagged as needing citations.