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.
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.
Merdeka, 4 Mar 1957, p. 3: twelve Surabaya women's organisations including Wanita Demokrat and Gerwani declare support for Sukarno's February 1957 Konsepsi, alongside veterans' groups.