Study of the form censorship took in two variant editions of Carl Albrecht Bernoulli’s Franz Overbeck und Friedrich Nietzsche: Eine Freundschaft 2 vols. (Jena: E. Diederichs, 1908)

Authorized translation of the entry on “Kunstliteratur” from Das Atlantisbuch der Kunst (Zurich: Atlantis Verlag, 1952).

Standard general bibliography of the literature of art, supplementing E. Arntzen and R. Rainwater, Guide to the Literature of Art History [v.1]. Chicago: ALA Editions, 1980.

Argues for Dante’s impact on Leonardo da Vinci’s famous “childhood memory.”

Studies a unique copy of the pioneering monograph on Leonardo’s own personal library, and the fate of that very copy across the years, as it passed from scholar to scholar, all intent upon identifying the titles on Leonardo’s bookshelves.

Invited response to “Hubertus Kohle, “Kunstgeschichte und Digital Humanities. Einladung zu einer Debatte/Art History and the Digital Humanities. Invitation to a Debate”