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.
Wieringa's Nov 1996 ISS working paper, the first English version of her argument that the New Order was born from a sexualised propaganda campaign against Gerwani (Oct 1965-Mar 1967 an 'extended coup'), with an interview with a former Gerwani cadre. Early statement of the thesis.