Book: Ames, Kenneth L. 1977 Beyond Necessity: Art in the Folk Tradition.
• Published in fig. 9, p.24; p.115, cat. no. 93.Book: Machmer, Richard S. & Machmer, Rosemarie B. 1991 Just for Nice: Carving and Whittling Magic of Southeastern Pennsylvania.
• Published: fig. 41, p. 23.Article: Pass, Karl H. 2002 Wilhelm Schimmel: Cumberland County “Image Maker" (1817-1890). Cumberland County History. 19 (2)
Catalogue: Minardi, Lisa. 2015 A Colorful Folk: Pennsylvania Germans & the Art of Everyday Life.
• Published: fig. 77, p.58Article: Robacker, Earl F. 1973 Folk Whittling in Pennsylvania. Pennsylvania Folklife. 38-48.
• Published: p. 43-45.