Exhibitions Time Sanctified: The Book of Hours in Medieval Art and Life. The Walters Art Gallery, Baltimore. 1988. Plants and Flowers in Medieval Manuscripts. The Walters Art Gallery, Baltimore. 1991. Manuscript Illumination in Flanders. The Walters Art Gallery, Baltimore. 1992. Highlights from the Collection. The Walters Art Gallery, Baltimore. 1998-2001. A Renaissance Gem Revealed: Petrarch's Triumphs Disbound. The Walters Art Museum, Baltimore. 2002. The Art of Empathy: The Cummer Mother of Sorrows in Context. The Cummer Museum of Art and Gardens, Jacksonville. 2013-2014.