Everett Fahy pointed to the relationship of this drawing to a group of studies recently considered by Dr. Anna Padoa Rizzo. Two drawings of hands in the Uffizi, both in silverpoint, and a nude garzone study in the British Museum bear early attributions to Agnolo di Donino. Other drawings in Berlin and the Uffizi are evidently by the same hand, A. Padoa Rizzo, Agnolo di Donino: Nuovi Documenti, le Fonti e la possibile Identificazione con il 'Maestro di Santo Spirito', Rivista d'Arte, IV, 1988, figs. 3-4. Padoa Rizzo suggests that the Master of Santo Spirito, named after an altarpiece in that church, which implies a close familiarity with the work of Lippi, Ghirlandaio and Perugino, may be identified as Agnolo di Donino