Gent, M.J. van. “R.E.V. Stuip, C. Vellekoop, H.B. Teunis, Koningen in Kronieken”. BMGN - Low Countries Historical Review, vol. 116, no. 1, Jan. 2001, pp. 73-74, https://doi.org/10.18352/bmgn-lchr.5408.