Postma F. F.H.M. Grapperhaus, Alva en de tiende penning. BMGN-LCHR [Internet]. 1985 Jan. 1 [cited 2024 Apr. 25];100(1):106-7. Available from: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102776