ERWIN PANOFSKY, « Two Roger problems: the donor of the Hague "Lamentation" and the date of the Altarpiece of the Seven Sacraments » in The Art Bulletin, 33/1 (1951) : p. 33-40
ERWIN PANOFSKY, « Two Roger problems: the donor of the Hague "Lamentation" and the date of the Altarpiece of the Seven Sacraments » in The Art Bulletin, 33/1 (1951) : p. 33-40