Exhibitions
- Early Christian and Byzantine Art. Baltimore Museum of Art, Baltimore. 1947.
- Illuminated Manuscripts: Masterpieces in Miniature. The Walters Art Gallery, Baltimore. 1984-1985.
- Treasures in Heaven: Armenian Manuscript Illumination. The Walters Art Gallery, Baltimore. 1988.
- Jerusalem 1000–1400: Every People Under Heaven. The Metropolitan Museum of Art, New York. 2016-2017.