Rademaker, C. “H.W. Blom, L.C. Winkel, Grotius and the Stoa; J.P. Heering, Hugo Grotius As Apologist for the Christian Religion. A Study of His Work De Veritate Religionis Christianae (1640)”. BMGN - Low Countries Historical Review, vol. 120, no. 4, Jan. 2005, pp. 629-31, doi:10.18352/bmgn-lchr.6292.