Robert Edwards, "The Arts and Crafts Go to Work in Philadelphia, 1876–1926" (PDF), paper presented at the September 20–23, 2012 conference: The Workshop of the World: The Arts and Crafts Movement in Philadelphia, Pennsylvania Academy of the Fine Arts.
George E. Thomas, "The Evolution of the Real Estate Divisions of the Eastern Portion of the Bryn Mawr Campus, the Construction of "the Owl," and Its Historical Color Schemes, Yarrow Street and Morris Avenue, Bryn Mawr College" (1998). (PDF), from Bryn Mawr College.