Merdeka, 18 December 1950: Irian Action Unity Committee formed
Merdeka, 18 Dec 1950, p. 2: report on the 15 Dec 1950 formation of the Komite Kesatuan Aksi Irian by the Badan Perjuangan Irian and 15 parties and workers', youth and women's organisations including Gerwis, alongside Bung Tomo's boycott of Dutch goods.
Merdeka, 8 January 1951: Lapangan Banteng rally demands annulment of the KMB
Merdeka, 8 Jan 1951, p. 1: mass rally at Lapangan Banteng demanding annulment of the KMB agreements, where the Gerwis speaker argued for annulment through its effects on women, citing mass dismissals.
Merdeka, 25 April 1951: May Day 1951 preparations
Merdeka, 25 April 1951 (hlm. 2): plans for May Day 1951 by a central committee (SOBSI, KABM) assisted by the Peace Defence Committee, Lekra, Pemuda Rakyat, Sakti and Gerwis, framed as defence of world peace.
Merdeka, 8 August 1951: Peace Committee organisations form 17 August committee
Merdeka, 8 Agustus 1951 (hlm. 2): mass organisations under the Peace Committee form their own 17 August committee with a 'peace programme', Gerwis and Lekra running the programme section.