Exhibitions
- The Last Flowering: French Paintings in Illuminated Manuscripts, 1420-1530. The Pierpont Morgan Library, New York. 1982-1983.
- Splendor in Books. The Walters Art Gallery, Baltimore; Grolier Club, New York. 1977-1978.
- Illuminated Manuscripts: Masterpieces in Miniature. The Walters Art Gallery, Baltimore. 1984-1985.
- Time Sanctified: The Book of Hours in Medieval Art and Life. The Walters Art Gallery, Baltimore. 1988.
- Prayers in Code: Books of Hours from Renaissance France. The Walters Art Museum, Baltimore. 2009.
