On book in German: Think always, Children of this earth, of the last day, the day of your death, youwho are careless sinners on the last beat of the heart, that today you are healthy and strong, but tomorrow you might fill the coffin, and whatever ho nor you have achieved will be buried with you at the same time.
- Black, Mary C. "A Fok Art Whodunit."Art in America vol. 53, no. 3 (June 1965): repro. 104.
- 101 Primitive Watercolors and Pastels, from the Collection of Edgar William Garbisch and Bernice Chrysler Garbisch. Exh. cat. National Gallery of Art, Washington, D.C., 1966: 26.