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.
Issue 14 of Wanita Sedar, fortnightly organ of Gerwis (25 July 1951). Covers preparation for the first Gerwis congress (57 branches, WIDF links), the Indonesian delegation to the Berlin youth festival including three Gerwis delegates, women in Czechoslovakia, and organisational news.
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.