on the foot: "PAIR KIANGHI [sic] IMPERIAL WARE EGGSHELL LAMPSHADES--FORMERLY THE PROPERTY OF YANG LI SAN [followed by three Chinese characters] / MINISTER OF THE INTERIOR BEHEADED BY ORDER OF PRINCE TUAN DURING THE BOXER TROUBLES OF 1900"
Richard Bennett, Northampton, England. (Gorer, London); (Dreicer & Co., New York, agents for Gorer, London); sold 1912 to Peter A. B. Widener, Lynnewood Hall, Elkins Park, Pennsylvania; inheritance from estate of Peter A. B. Widener by gift through power of appointment of Joseph E. Widener, Elkins Park, Pennsylvania; gift 1942 to NGA.
- Gorer/Blacker 1911, 1:pl. 122.
- Works of Art from the Widener Collection. Foreword by David Finley and John Walker. National Gallery of Art, Washington, 1942: 23.
- Bower, Virginia, Josephine Hadley Knapp, Stephen Little, and Robert Wilson Torchia. Decorative Arts, Part II: Far Eastern Ceramics and Paintings; Persian and Indian Rugs and Carpets. The Collections of the National Gallery of Art Systematic Catalogue. Washington, D.C., 1998: 216, note 1.