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Albert M. Shapiro, Berkeley, 1972; Private collection, New York; (P. & D. Colnaghi & Co., Ltd., London); to Armand Hammer Collection, 1972; gift to NGA in 1991.

Exhibition History

Exhibited with the Armand Hammer collection from 1972, beginning with The Royal Academy of Arts, London.
Recent Acquisitions and Promised Gifts, National Gallery of Art, Washington, 1974, no. 65.
Old Master Drawings from American Collections, Los Angeles County Museum of Art, 1976.
Master Drawings from the Collection of the National Gallery of Art and Promised Gifts, National Gallery of Art, Washington, 1978, p. 32.
Leonardo da Vinci, The Codex Hammer, formerly The Codex Leicester, Royal Academy of Arts, London, and other venues, 1981-1982, 47, 122, as "Hammer 20."
Leonardo da Vinci, Nationalmuseum, Stockholm, Sweden, 1982-1983.
Exhibited with the Leonardo da Vinci Codex Hammer, beginning with Walters Art Gallery, Baltimore, 1983, and ending with Spencer Museum of Art, University of Kansas, Lawrence, 1986.
Rejoined tour with the Armand Hammer collection for 1 venue: Los Angeles County Museum of Art, 1984.
Leonardo: il Codice Hammer e la Mappa di Imola presentati da Carlo Pedretti. Arte e Scienza a Bologna in Emilia e Romagno nel Primo Cinquecento, 1985, Palazzo del Podestà, Bologna, 63, color pl. VIII.
"Leonardo da Vinci, Master Draftsman", The Metropolitan Museum of Art, New York, 2003, no. 24.
Leonardo da Vinci: L'uomo modello del mondo. Gallerie dell'Accademia, Venice, 2019, no. 1.


Keele, Kenneth D. and Carlo Pedretti. Leonardo da Vinci, Corpus of the Anatomical Studies in the Collection of Her Majesty the Queen.... London and New York, 1980, 841, 859 (under 126), 890-891 (under 199v), figs. 148, 149 (verso as not by Leonardo).
Pedretti, Carlo, ed. The Drawings and Miscellaneous Papers of Leonardo da Vinci in the Collection of Her Majesty the Queen at Windsor Castle. New York and London, 1982, I: 107, fig. 82 (c. 1508).
Walker, John. National Gallery of Art, Washington. Rev. ed. New York, 1984: 662, no. 1045, color repro. of the recto.
Pedretti, Carlo. The Codex Hammer of Leonardo da Vinci. Florence, 1987: 167-172, figs. 35-39.
Caroli, Flavio. Leonardo, Studi di fisiognomica, Milan, 1990, 207, no. 20r reproduces a detail of the recto (misidentified as part of the Codex Hammer).
Pedretti, Carlo, and Trutty-Coohill, Patricia. The Drawings of Leonardo da Vinci and His Circle in America. Florence, 1993: 9, 15, 50-52, 105, 111, no. 15.
Mittler, Gene A. and James D. Howze. Creating and Understanding Drawings. New York, 2001: 213, fig. 11.11.

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