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. 745.Article: Eberlein, Harold Donaldson & Hubbard, Cortlandt Van Dyke. 09//1936 Illuminated Monastic Manuscripts Were Origin of Fractur-Painting. American Collector. 5
• pp. 4-5 & 10-11Catalogue: Hollander, Stacy C., et al. 2001 American Radiance: The Ralph Esmerian Gift to the American Folk Art Museum.
• Related example on p. 211.Book: Hopf, Claudia. 1977 Scherenschnitte: Traditional Papercutting.
• Related example on p. 4 Liebesbrief (love letter) by christian Strenge in the Heritgae Center of Lancaster County, Lancaster, PABook: Hutchins, Catherine E., et al. 1983 Arts of the Pennsylvania Germans.
• Published as fig. 259, p. 262.Catalogue: Johnson, David R. 1995 "Christian Strenge's Fraktur".
• Two similar examples pictured (no page).Article: Johnson, David R. 1979 "Christian Strenge, Fraktur Artist". Der Reggeboge: Journal of the Pennsylvania German Society. 13 (3): 1-24.
• Published as fig. 11 on p. 20.Book: Schaffner, Cynthia V.A. & Klein, Susan. 1984 Folk Hearts: A Celebration of the Heart Motif in American Folk Art.
• Published as no. 149.Book: Shelley, Donald A. 1961 The Fraktur-Writings or Illuminated Manuscripts of the Pennsylvania Germans. 23.
• Published as fig. 55, pp. 68-69, 180Book: Stoudt, John Joseph. 1964 Early Pennsylvania Arts and Crafts.
• Published as fig. 288Book: Stoudt, John Joseph. 1966 Pennsylvania German Folk Art.
• p. 219Other: Colonial Homes.
• Published in May 1979, no. 5 on p. 75.