Stijn Alsteens, Freyda Spira Dürer and Beyond: Central European Drawings in the Metropolitan Museum of Art, 1400-1700 Ex. cat. The Metropolitan Museum of Art, New York, 2012, cat. 56 (entry written by Stijn Alsteens); p. xi, xiv (introduction written by Stijn Alsteens); p. 104; p. 121, ill.
