OSS/State Department report OIR 5714.7 (30 May 1952) analysing PKI propaganda: party structure, front organisations, relations with international communism and themes. Names Gerwis under Mrs Mudigdo as the communist vehicle competing with Kowani for women, and BTI under S. Sardjono; appendices cover publishing, films,
Harian Rakjat, 7 Mar 1957, p. 3: includes an article by Ny. Umi Sardjono for International Women's Day on women's struggle and rights (alongside a science piece), a DPR report with Ny. Mudigdio (PKI) speaking on 6 March, and Gerwani branch items. Notes 46 organisations including Gerwani opposing abolition of menstrual
Official institutional history, 'Seperempat Abad DPR RI', compiled by the DPR-GR Secretariat for the 25th anniversary in August 1970; it traces parliament from the KNIP to 1970 with membership rosters. For Gerwani it matters in the 1965-66 chapters: it records the NU demand (5 Oct 1965) to ban Gerwani, the 15 Oct 1965