Thesis: Gleason, Jude Collin. 2002 A house in the most singular style: John Penn's The Solitude. M.A. University of Delaware Winterthur Program in Early American Culture
• Published: See this thesis for more detailed information on the property.Book: Nygren, Edward J. & Robertson, Bruce. 1986 Views and Visions: American Landscape before 1830.
• Print after painting published as fig. no. 118, p. 144.