Four Studies of Heads Drawn over a Copy of Saint John the Evangelist by Correggio (recto); Three Studies of Men (verso) (85.GB.218)
S. & A. Woodburn Gallery, London. A Catalogue of one hundred original drawings by Ludovico, Agostino, and Annibal Carracci, collected by Sir Thomas Lawrence (1836), p. 24, no. 65.
Source: Getty Open Content