The J. Paul Getty Museum
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The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
Parmigianino (Francesco Mazzola). Studies of Saints John the Baptist and Jerome, a Crucifix, and Various Heads (recto); Studies of the Christ Child, a Crucifix, and a Dog (verso), about 1525–1527. The J. Paul Getty Museum.