Ebels-Hoving, B. (1990) “F. Akkerman, A.J. Vanderjagt, Rodolphus Agricola Phrisius 1444-1485. Proceedings of the international conference at the University of Groningen 28-30 october 1985”, BMGN - Low Countries Historical Review, 105(3), pp. 417–420. doi:10.18352/bmgn-lchr.3251.