Inscription: Signed, dated, and inscribed (bottom): TRIPTYCH II, 91 / Roseline Delisle
New York. The Metropolitan Museum of Art. "Clay into Art: Selections from the Collection of Contemporary Ceramics in The Metropolitan Museum of Art," November 24, 1998–May 30, 1999, unnumbered cat. (pl. 27, as Promised GIft of Dawn F. Bennett and Martin J. Davidson).
Garth Clark. American Ceramics: 1876 to the Present. New York, 1987, (similar work).