George and Martha Washington: Portraits from the Presidential Years (University Press of Virginia, 1999)
Biographies in American National Biography, ed. John A. Garraty and Mark C. Carnes, 24 vols. (New York: Oxford University Press, 1999) of Joseph Badger (vol. 1, 857-58), Pierre Eugene Du Simitière (vol. 7, 169-170), John Hesselius (vol. 10, 706-707), Henrietta Johnston (vol. 12, 152-53), Charles Balthazar Julien Févret de Saint-Mémin (vol. 19, 201-203), Edward Savage (vol. 19, 315-317), and James Sharples (vol. 19, 725-26).
A Brush with History: Paintings from the National Portrait Gallery, with Carolyn Kinder Carr (National Portrait Gallery, distributed by the University Press of New England, 2001)
Contributor to the catalogue George Washington: A National Treasure, for the exhibition of the Lansdowne portrait of Washington by Gilbert Stuart (National Portrait Gallery, 2002)
Gilbert Stuart, by Carrie Rebora Barratt and Ellen G. Miles (published by the Metropolitan Museum of Art, New York, 2004)