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
CIA report, 23 February 1953, on a PKI Surabaya sub-section committees' meeting (Dec 1952) with directives on discipline, cadres and election preparation, including 'more support' for Gerwis. Shows Gerwis treated as a PKI-supported front.
De Vrije Pers report (6 Oct 1954) on founding a Surabaya branch of the Congress Keamanan Rakjat to secure the coming elections, chaired by Pemuda Rakyat's Moh. Rasjad. Ansor objected; SOBSI, Lekra, Gerwani, IPPI and others agreed, and Gerwani Surabaya was elected second treasurer.