De Waarheid, 16 Apr 1953, p. 4: Jakarta dispatch listing members of the Indonesian delegation to the WIDF International Women's Congress in Copenhagen: Trimurti, Kartinah and Maasje Siwi of Gerwis, Ratjih Kartawinata (Wanita Demokrat), Hadiprabowo (Partai Wanita Rakjat), Dr. Towoliu, Yap Oei, Kartowijono, two Sarbupri
Full De Waarheid page, 16 Apr 1953 (p. 4), mostly unrelated news. Indonesia items: rising prices in Jakarta and the delegation list for the WIDF Copenhagen women's congress (Trimurti, Kartinah, Maasje Siwi of Gerwis, with representatives of Wanita Demokrat, Partai Wanita Rakjat and Sarbupri). OCR garbled in places.
De Waarheid, 6 May 1953, p. 5: short report that the first Indonesian delegation to the Copenhagen International Women's Congress left on the ship Surriento on 4 May; the group includes Setiati Surasto and Maasje Siwi. A second delegation of eight is said to follow. OCR heavily garbled.
De Waarheid, 20 Sep 1975, p. 3: article asking what the Indonesian parliamentary delegation did not mention: Plantungan women's camp in Central Java (386 women), Bukit Duri and Semarang prisons, and named women prisoners: Umi Sardjono, chair of the underground Gerwani, vice-chairs Salawati Daud and Mudigdio, Maasje Siw