Drooglever, P. “F. Tichelman, Socialisme in Indonesië. De Indische Sociaal-Democratische Vereeniging 1897-1917, I”. BMGN - Low Countries Historical Review 102, no. 2 (January 1, 1987): 308–309. Accessed January 28, 2023. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103188.