Nieuwe Courant, 4 June 1951: Acheson on Korea and the risk of Soviet intervention, with a short note that about 10,000 children celebrated International Children's Day on Merdeka Square, Jakarta, on a committee including Gerwis, IPPA and Pemuda Rakjat, with 4,000 Chinese youths from eight Chinese schools.
De Waarheid, 19 Jul 1951, p. 5: correspondent's report on Indonesia's first International Children's Day, held in Jakarta on 1 June 1951 with some 25,000 children instead of the expected 4,000. Initiated by the young women's organisation Gerwis, supported by Chinese groups, Pemuda Rakjat, SOBSI and the Peasants' Union
Java-Bode, 31 May 1952, p. 2: at Gerwis's initiative a 1 June Committee with Gerwis, Sobsi, Pemuda Rakjat and IPPI representatives organises Children's Day contests on Merdeka Square for about 4,000 registered children and will distribute over 6,000 old garments to poor children of Tanah Abang and Senen.