DROOGLEVER, P. F. Tichelman, Socialisme in Indonesië. De Indische Sociaal-democratische Vereeniging 1897-1917, I. BMGN - Low Countries Historical Review, [S. l.], v. 102, n. 2, p. 308–309, 1987. DOI: 10.18352/bmgn-lchr.2840. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103188. Acesso em: 8 feb. 2023.