The Rijksmuseum | Documentation “Ilja M. Veldman, Seasons, Planets and Temperaments in the Work of Maarten van Heemskerck Cosmo-Astrological Allegory in sixteenthcentury Netherlandish prints. in: Simiolus: Netherlands Quarterly for the History of Art, Vol. 11, No. 3/4 (1980), pp. 149-176”