G.W.B. Borrie, Pieter Lodewijk Tak (1848-1907). Journalist en politicus. BMGN - Low Countries Historical Review, [S. l.], v. 90, n. 2, p. 303–307, 1975. DOI: 10.18352/bmgn-lchr.1884. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102046.. Acesso em: 2 jul. 2024.