Sukarno and Sukarno, orator, “Amanat PJM Presiden Sukarno pada Waktu Sembahjang Idul Adha di Mesdjid Baitul Rahim di Istana Djakarta, Djakarta, 1 April 1966,” Monash Collections Online, accessed September 25, 2023, https://repository.monash.edu/items/show/12564.