Ross, R. (2004) “G.J. Schutte, Hendrik Cloete, Groot Constantia and the VOC 1778-1799. Documents from the Swellengrebel Archive. Dokumente uit die Swellengrebel-argief”, BMGN - Low Countries Historical Review, 119(2), pp. 250–251. doi:10.18352/bmgn-lchr.6049.