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
English-edition Tempo cover story 'End of the Road' (4 Oct 2021, Retno Sulistyowati), a translation from the Umi Sardjono special report. It traces Umi's formation in Pathuk Youth, Pesindo, BBW with S.K. Trimurti, Madiun 1948 arrest, founding of Gerwis (Semarang, 3-6 Jun 1950), Gerwani growth from 80,000 to 650,000 (19