Michelangelo at the Accademia in Florence
Design for the Tomb of Pope Julius II at The Metropolitan Museum of Art
Copy of a design for the Tomb of Pope Julius II by Michelangelo in the collection of the Kupferstichkabinett, Berlin State Museums
Michael Hirst, “A Project of Michelangelo’s for the Tomb of Julius II,” Master Drawings 14, no. 4 (1976), pp. 375-430.
Erwin Panofsky, “The First Two Projects of Michelangelo’s Tomb of Julius II,” The Art Bulletin, vol. 19, no. 4, 1937, pp. 561–579.