Java-Bode, 7 April 1953, p. 2: short news item listing the Indonesian delegation to the international women's congress in Denmark (Copenhagen), leaving end of May. Gerwis is represented by S.K. Trimurti, Kartinah and Maasje Siwi; other members come from Wanita Demokrat, Partai Wanita Rakjat, Sarbupri and as individuals
Indische Courant voor Nederland, 15 Apr 1953, p. 3: names the Indonesian delegation to the world women's congress in Denmark (end of May): Trimurti, Kartinah and Maasje Siwi of Gerwis, plus Wanita Demokrat, Partai Wanita Rakjat, Sarbupri and individual delegates including Dr Towoliu.
US Monthly Indonesian Press Survey (1959-60) extracts. A review of the new monthly Api Kartini, published by Yayasan Melati and headed by Maasje Siwi, lists its editors (S. Asijah, Darmini, Parjani Pradono, S.K. Trimurti, Rukiah Kertapati and others). Parliamentary notes list Umi Sardjono (functional group for women) a
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