Gehret, E. J., Hersh, T., Keyser, A. G., & Weiser, F. S. 1. (1985). This is the way I pass my time: A book about Pennsylvania German decorated hand towels. Birdsboro, Pa.: Pennsylvania German Society.

Gehret, Ellen J., Tandy Hersh, Alan G. Keyser, and Frederick S. 1935-2009 Weiser. This Is the Way I Pass My Time: A Book About Pennsylvania German Decorated Hand Towels. Birdsboro, Pa.: Pennsylvania German Society, 1985.

Gehret, Ellen J., Tandy Hersh, Alan G. Keyser, and Frederick S. 1935-2009 Weiser. This Is the Way I Pass My Time: A Book About Pennsylvania German Decorated Hand Towels. Birdsboro, Pa.: Pennsylvania German Society, 1985.