Cardon (1996)-
Cardon, Bert : Manuscripts of the Speculum Humanae Salvationis in the Southern Netherlands (ca. 1410–ca. 1470). A Contribution to the Study of the 15th Century Book Illumination and of the Function and Meaning of Historical Symbolism (Low Countries Series 6, Corpus of Illuminated Manuscripts 9). Leuven 1996, S. 44–72, 131, 166, 177.