De Waarheid, 5 Jan 1968, p. 1: telegram from the NVB executive to the Indonesian ambassador in The Hague protesting the arrest of lawyer Trees Sunito-Heyligers, recalling her anti-fascist work, her defence of Dutch soldiers who refused colonial war and her defence of union leader Njono, and demanding release of her and
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.
Dutch Second Chamber written question no. 111 (Aug 1975) by Fred van der Spek and Foreign Minister Van der Stoel's reply, on an Indonesian embassy claim that the Dutch government fully understood Indonesia's political prisoner problem. Context on Dutch diplomacy over post-1965 detainees.
De Waarheid article by Joop Morriën (6 Feb 1988, p.9) on Jan Maassen's plan for a reunion of Dutch conscripts who refused to serve in Indonesia in 1948-49 (Schoonhoven boys), recounting his three years' imprisonment and the arbitrary sentencing. Lawyers Trees Sunito-Heyligers and Clara Enthoven defended refusers by lin