Book: Wheatcroft, David. 2005 The Authentic Eye: Revisiting Folk Art Masterworks.
• See no. 39 for another fraktur made for Jacob Leith.Book: Shelley, Donald A. 1961 The Fraktur-Writings or Illuminated Manuscripts of the Pennsylvania Germans. 23.
• See no. 211 for another piece probably by the same hand, made for Catharine Meyer of Springfield Township, Bucks County, in 1816.Book: Stoudt, John Joseph. 1948 Pennsylvania Folk Art.
• See p. 215 for a related example for Catharina Meyer dated 1816.Catalogue: Minardi, Lisa. 2015 A Colorful Folk: Pennsylvania Germans & the Art of Everyday Life.
• Published: fig. 63, p.49Article: Minardi, Lisa. 2015 A Colorful Folk: Pennsylvania Germans and the Art of Everyday Life. Antiques and Fine Art. 14 (2): 154-161.
• Published: fig. 8, p. 158.