William Andrews Clark [1839-1925], New York; bequest 1926 to the Corcoran Gallery of Art, Washington; acquired 2014 by National Gallery of Art.
- Bode, Wilhelm von, ed. The Collection of Oscar Hainauer. London, 1906; 111.
- Watson, Wendy. Italian Renaissance Maiolica from the William A. Clark Collection. Washington and London, 1986; 96-97.