Seven-page Ministry of Information file of short official biographies; only the first concerns Gerwani: parliamentary member no. 86 Umi Sardjono (b. Salatiga 1923, PKI list for East Java), with her career from Semarang telephone office to Kediri and Gerwani.
Duta Masjarakat, 7 Desember 1968. Antara brief from Semarang: an ABRI team raided a meeting of six PKI members, 'two of them Gerwani leaders', in Bringin, Salatiga; two captured wounded.
Tempo biographical feature (2 Oct 2021, Isma Savitri and Nurdin Kalim) on Umi Sardjono's early life: born Suharti Sumodiwirjo in Salatiga, 24 Dec 1923, inspired by Kartini, joined Parindra then Gerindo, worked as an underground courier in East Java, tortured by the Japanese in 1943 alongside S.K. Trimurti, married Suki