M.H. De Young Memorial Museum, Louis Comfort Tiffany, Donald L. Stover, Fine Arts Museums of San Francisco (1981). “The art of Louis Comfort Tiffany: an exhibition”
Robert Barclay (1850). “An Apology for the Christian Divinity: As the Sameis Held Forth and Preached by the People Called, in Scorm Quakers, Being a Full Explanation and Vindication of Their Principles and Doctrines”, p.110