Exhibitions
- Heavenly Bodies. The Walters Art Gallery, Baltimore. 1988.
- The Bible Before Luther. The Walters Art Gallery, Baltimore. 1992-1993.
- Manuscript Sleuthing: Discoveries of a Curator. The Walters Art Gallery, Baltimore. 1995.
- Living by the Book: Monks, Nuns, and Their Manuscripts. The Walters Art Museum, Baltimore. 2013.