Book: Hutchins, Catherine E., et al. 1983 Arts of the Pennsylvania Germans.
• Published as fig. 236, p. 244.Article: Evans, Nancy Goyne. 03//1973 Documented Fraktur in the Winterthur Collection: Part II. Antiques. 103 (3): 539-49.
• Published as fig. 5, p. 542.Book: Earnest, Russell D. & Earnest, Corinne P. 1997 Papers for Birth Dayes: Guide to the Fraktur Artists and Scriveners. 2 vols. 909.
• Published on p. 684. For more on Schuller, see pp. 682-684.Book: Quimby, Ian M. G. 1980 Perspectives on American Folk Art.
• Published on p. 156.