Short item, Indische Courant voor Nederland, 8 Apr 1953, p. 1: Gerwis takes the initiative for a conference of women's organisations in Jakarta on 2-3 April, ahead of the world women's congress in Denmark in June, to discuss sending a delegation; press conference on 4 April.
News roundup of Antara dispatches, Indische Courant voor Nederland, 18 Apr 1953, p. 4. Relevant: Maasje Siwi of Gerwis left Surabaya for Copenhagen for the WIDF conference; SOBSI and union leaders left for Peking; also 17 October affair follow-up and Chairul Saleh's expulsion from the Netherlands.
Newspaper page, Indische Courant voor Nederland, 13 May 1953 (OCR partly illegible). The only relevant article repeats that Setiati Surasto (Sarbupri) and Maasje Siwi and Kartinah (Gerwis) left on the 'Surriento' for the Copenhagen international women's congress, with the Australian delegation also aboard.