Merdeka, 6 Apr 1951, p. 2: Serikat Buruh Batik conference on fusion with the textile union; Gerwis listed among the guests and those who gave greetings, with SOBSI and MPs Werdojo and Pardede.
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.
Full-page notice in the Surakarta magazine Bentara listing the organising committee of the 1 May 1951 Labour Day commemoration, a left united front dominated by SOBSI unions and including Gerwis.
Abadi, 16 May 1951, p. 2: Antara report that International Children's Day (1 June), proposed by WIDF, would be celebrated in Indonesia for the first time by a Jakarta committee with Gerwis and SOBSI as secretariat.
Abadi, 31 July 1951, p. 1: Aneta report that SOBSI and left groups including Gerwis formed a separate 17 August committee in Yogyakarta, denouncing the municipal committee as undemocratic.
Abadi, 8 Aug 1951, p. 2: separate left-wing 17 August committees under a 'peace programme' in Jakarta and Bandung, with Gerwis, SOBSI, Lekra and others in charge of the programme.
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.
Berita Yudha, 9 Nov 1994, p. 4: White Book instalment on Central Java and Yogyakarta, naming Gerwani among PKI mass organisations issuing a support resolution in Wonogiri on 1 Oct 1965; editorial honours Fatmawati.