De Waarheid, 27 Jan 1954, p. 5: correspondent's Jakarta feature ahead of Gerwis's second congress (opening 26 March 1954), describing its literacy courses, hygiene campaigns, defence of women under customary law, wage struggles (Sampurna cigarette factory Surabaya, Kaliklatak coffee estate) with SARBUPRI, and the mass
Het Nieuwsblad voor Sumatra (10 Mar 1954, p.2): in Binjai two committees were formed to organise May Day. The first unites SOBSI, Sarbupri, Gerwis, Pemuda Rakjat and similar groups under a SOBSI chair; the second comprises non-SOBSI organisations such as PGRI and Perbupri and regards itself a branch of the Medan commit
Java-Bode, 18 March 1954, p. 2: short item on two rival committees for 1 May Labour Day in Binjai, East Sumatra: one uniting Sobsi, Sarbupri, Gerwis, Pemuda Rakjat and similar bodies, chaired by Sobsi, and a non-Sobsi committee of PPPRI, OBPI, Perbupri and PGRI.