Het Nieuwsblad voor Sumatra (4 Nov 1950, p.2): a World Peace Committee conference in Yogyakarta approved the Prague appeal, proposed demands for the Nederlandse army's withdrawal from Indonesia and an end to foreign interference (Irian, Moluccas) for a London congress, and reported 180,000 signatures. Delegates include
Abadi, 4 Feb 1952, p. 2: provisional committee including Gerwis, Lekra and Pemuda Rakjat to celebrate 21 February 1952 world youth solidarity day.
Short Algemeen Indisch Dagblad item (1953-07-24, p. 2): delegation of SOBSI, Perbepsi, Komite Rakjat, IPPI and Gerwis hands parliament speaker Sartono a resolution demanding that the new cabinet be anti-Darul Islam and that the government declare DI an enemy of the state. Text ends abruptly.
De Waarheid, 31 Jul 1953, p. 5: short Jakarta dispatch (20 July) that on Gerwis's initiative a committee was formed to assist victims of terrorist bands such as Darul Islam, joined by SOBSI, the veterans' league Perbepsi, student organisation IPPI and the peasants' union RTI. Shows Gerwis leading a relief and anti-Daru
UK Foreign Office file FO 371/180312 (1965), 'Internal political situation, Attempted coup against Sukarno [3]', a volume of Embassy letters and telegrams from Djakarta (Ambassador Gilchrist, S.J.G. Cambridge), February to April 1965. It includes Gilchrist's character notes on Subandrio, Aidit and the generals, the tak