«Death in Art – Life's only guarantee». Trivium Art History. Besøkt 11. august 2019. «Memento Mori, vanitas, mortality — death is one of the most pervasive themes in art history.»
«Virgins and Mothers». Guggenheim. Besøkt 11. august 2019. «The prevailing idea of these images was to convey the endless, unbounded love of the Virgin for her son and for humanity. The tenderness of this mother toward her beloved child was intended to instill sympathy in the viewer.»
