1. Abdullah, T. (2010). Nationalist Activities During the Japanese Period. In P. Post, W. H. Fredrick, I. Heidebrink, & S. Sato (Eds.), The Encyclopedia of Indonesia in the Pacific War (pp. 113–127). Leiden and Boston: Brill.
2. Alfian, T. I. (1987). Perang di Jalan Allah: Perang Aceh, 1873–1912. Jakarta: Pustaka Sinar Harapan.
3. Alfian. (1989). Muhammadiyah: The Political Behavior of A Muslim Modernist Organization under Dutch Colonialism. Gadjah Mada University Press.
4. Ali, M. (2016). Islam and Colonialism: Becoming Modern in Indonesia and Malaya. Edinburgh University Press.
5. Anderson, B. R. O’G. & McVey, R. (1971). A Preliminary Analysis of the October 1, 1965 Coup in Indonesia. Ithaca: Modern Indonesia Project.