Het Nieuwsblad voor Sumatra (4 Nov 1950, p.2): a World Peace Committee conference in Yogyakarta approved the Prague appeal, proposed demands for the Nederlandse army's withdrawal from Indonesia and an end to foreign interference (Irian, Moluccas) for a London congress, and reported 180,000 signatures. Delegates include
De Waarheid, 16 Jan 1952, p. 4: report on workers' protests against Sjahrir's PSI splitting unions (the Perbupri breakaway from SOBSI's plantation union Sarbupri in Jember). A closing section says the Gerwis annual congress in Surabaya unanimously demanded abolition of the Round Table Agreement and return of New Guinea
Algemeen Indisch Dagblad (1952-01-18, p. 3): in Surabaya a Panitya Pembebasan Irian Barat is formed at the initiative of the Badan Perdjoangan Irian Timur Jawa with SOBSI, PKI, PNI, Murba and others; Gerwis sits in the organisation section with youth fronts. It seeks to end the RTC agreement and abolish the Union.
Article by Suwarti Bintang Suradi (Gerwani), dated Berlin 20 Dec 1957, in WIDF's magazine on Indonesia's West Irian campaign: mass rally of a million in Jakarta, ten-minute silence, general strike in Dutch firms, takeover of Dutch enterprises, KLM ban, UN defeat, international support. Names Gerwani among organisations