J.R.G. Schuur, Appelscha. Bolwerk van anarchisme en radicaal socialisme. BMGN-LCHR [Internet]. 1999 Jan. 1 [cited 2024 Oct. 11];114(3):445-6. Available from: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105795