detikNews feature (2013) on Gerwis's founding on 4 June 1950 by six organisations (Rupindo, Persatuan Wanita Sedar, Istri Sedar, Gerwindo, Wanita Madura, PPRI) and founders Trimurti, Salawati Daud, Umi Sardjono, Tris Metty and Sri Panggihan, with I.G.A.A. Ratih. Concise account of origins.
Tempo feature (2 Oct 2021) on how Umi Sardjono led Gerwani: Marx House courses, the 1945 Barisan Buruh Wanita with S.K. Trimurti, Gerwis founded at Semarang (3-6 June 1950, Tris Metty chair), Umi chair from 1954 when it became Gerwani. Cites 650,000 members and 179 kindergartens at the 1957 Solo congress, WIDF links, s
Tempo piece (2 Oct 2021, Hussein Abri and Stefanus Pramono) on why Gerwani, loudly anti-polygamy, stayed silent when Sukarno married Hartini. Umi Sardjono told Ruth Indiah Rahayu it was a private matter and Gerwani still needed Sukarno against imperialism (Harian Rakjat, 4 Jan 1956); Perwari backed Fatmawati; Amurwani