Advertisement (Blue Band prize draw, results)
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
Dutch Senate written questions 1969-1970, no. 70: Political prisoners in Indonesia
Dutch Senate written questions (19 May 1970) by Senator Van Hulst on Indonesian political prisoners, with PM De Jong's answer of 10 June 1970. Context on Dutch parliamentary attention to post-1965 detainees.
Immediate Release of All Political Prisoners (Komitee Indonesie Poster, c. 1978)
Komitee Indonesie (Amsterdam) campaign poster, c. 1978, demanding immediate release of all political prisoners, with silhouettes of three prisoners behind barbed wire. Dutch solidarity material on post-1965 detainees.