Sukarno and Sukarno, orator, “Amanat PJM Presiden Sukarno pada Pengambilan Sumpah Ketua Mahkamah Agung Saudara Surjadi SH, Istana Negara, Djakarta, 21 Djuni 1966,” Monash Collections Online, accessed December 3, 2023, https://repository.monash.edu/items/show/12387.