Roundel with the Flagellation

[ Roy Grosvenor Thomas 1886–1952 London and New York (sold 1932)] ; John D. Rockefeller Jr. American, New York (until 1932)

Breck, Joseph. "Reports of the Departments." Annual Report of the Trustees of the Metropolitan Museum of Art 63 (1932). p. 25.

Rorimer, James J. "Reports of the Departments." Annual Report of the Trustees of the Metropolitan Museum of Art 69 (1938). p. 24.

Minott, Charles I. "A Group of Stained-Glass Roundels at the Cloisters." The Art Bulletin 43, no. 3 (September 1961). pp. 237–39, fig. 10.

Rorimer, James J. The Cloisters: The Building and the Collection of Medieval Art in Fort Tryon Park. 3rd revised ed. New York: The Metropolitan Museum of Art, 1963. p. 116, fig. 53.

Hayward, Jane. "Stained-Glass Windows." The Metropolitan Museum of Art Bulletin, n.s., 30, no. 3 (December 1971-January 1972). p. 96 (frontispiece of Bulletin).

Deuchler, Florens. "The Cloisters: Ein Museum für mittelalterliche Kunst in New York." Du 32, no. 2 (1972). p. 136.

Shepard, Mary B. Europe in the Middle Ages, edited by Charles T. Little, and Timothy B. Husband. New York: The Metropolitan Museum of Art, 1987. p. 154, pl. 142.

Husband, Timothy B., and Madeline H. Caviness, ed. Stained Glass Before 1700 in American Collections: Silver-Stained Roundels and Unipartite Panels (Corpus Vitrearum Checklist IV). Studies in the History of Art, Vol. 39. Washington, D.C.: National Art Gallery, 1991. pp. 130–31.