Ormond, Richard and Elaine Kilmurray, "John Singer Sargent: complete paintings; volume 3, The later portraits," New Haven, CT: Yale University Press, 2003, no. 437.
McKibbin, David, "Sargent's Boston," Boston, Museum of Fine Arts, 1956.
Summary:
Study of Mrs. Charles Hunter (1857-1933) seated in a gondola. She wears a hat with veil.