Het Nieuwsblad voor Sumatra page-4 advertisement (1 Apr 1952): a long Blue Band/Unilever prize-draw winners list (cars, scooters, radios, etc.) with hundreds of names and towns. 'M. Caropeboka - Bogor' appears as a ballpoint winner. Nothing indicates any link to Sumiyarsi Siwirini Caropeboka; the name match is coincide
Het Nieuwsblad voor Sumatra (17 Jul 1953, p.2): a delegation of PPDI, Partai Buruh, PNI, PKI, PRIM, Gerwis and Permai, after a large Bandung demonstration, met Sukarno to present an open letter asking for a decree declaring DI and other bands enemies of the state to be eradicated by force. Sukarno agreed personally but
Het Nieuwsblad voor Sumatra (31 Mar 1954, p.2): report of a Masjumi open-air meeting in Bandung where West Java secretary-general M. Rusjad Nurdin rebuts PKI claims that Masjumi members are American 'compradors' and calls on Muslims never to join the PKI 'or organisations influenced by the PKI, such as SOBSI, Gerwis et