T. Sunito-Heyligers moet vrij (CPN-Vlaardingen)
T. Sunito-Heyligers must be free: CPN Vlaardingen telegram
De Waarheid, 16 Jan 1968, p. 1: short item that the CPN branch in Vlaardingen sent a telegram to the Indonesian embassy in The Hague protesting persecution of democrats in Indonesia and demanding release of lawyer Trees Sunito-Heyligers, recently detained by the Jakarta regime, and other Indonesian freedom fighters.