Mrs. Leopold (Millie Bruhl) Fredrick, New York (by 1960–d. 1962; inv., 1960, no. 40)
New York. The Metropolitan Museum of Art. "The Eighteenth-Century Woman," December 12, 1981–September 5, 1982, unnumbered cat. (p. 59, as "Portrait of a Young Man," by William Prewett).
New York. The Metropolitan Museum of Art. "European Miniatures in The Metropolitan Museum of Art," November 5, 1996–January 5, 1997, no. 279.
Edward Grosvenor Paine. Inventory of the miniatures in the Fredrick collection. 1960, p. 6, no. 40, attributes it to Christian Friedrich Zincke and dates it about 1755.
Graham Reynolds with the assistance of Katharine Baetjer. European Miniatures in The Metropolitan Museum of Art. Exh. cat., The Metropolitan Museum of Art. New York, 1996, p. 196, no. 279, ill. p. 197, note that it has been attributed by Daphne Foskett to Gervase Spencer (active by 1740, died 1763) and by Richard Allen and Hermione Waterfield to William Prewett (active 1735–50), finding the attribution to Spencer more plausible.