Image Sources
Gallery Archives, National Gallery of Art, Washington, D.C.
Getty Provenance Index® databases. J. Paul Getty Trust
WU LUNA Image Collection Database via Georg Bocskay, Mira Calligraphiae Monumenta: A Sixteenth-Century Calligraphic Manuscript Insribed by Georg Bocskay and Illuminated by Joris Hoefnagel (Malibu: John Paul Getty Museum, 1992).