Aneta report in De Vrije Pers (7 Apr 1953): at a Gerwis-initiated meeting of women's organisations (2-3 April, Jakarta) it was decided to send a delegation to the WIDF women's congress in Denmark in June. Delegates include S.K. Trimurti, Kandjinah and Maasje Siwi of Gerwis, plus Wanita Demokrat and others.
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.
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