D B · D. Butler · Doug Butler PhD · Dr. Doug Butler
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Farrier Science: Study Guide and Workbook for Use With the Textbook the Principles of Horseshoeing II | 978-0-916992-05-7 | 1991 | |
| Shoeing in your right mind: How to assess conformation, achieve balance & shoe fit and increase your efficiency in horseshoeing | 978-0-916992-20-0 | 1998 | |
| Six-Figure Shoeing: How to Build a Profitable and Rewarding Farrier Business | 978-0-916992-23-1 | 2001 | |
| The Cowboy Code; A Sure-Fire Guide to Ridin' the Trails of Life | 978-0-916992-27-9 | 2006 | |
| The Principles of Horseshoeing II: An Illustrated Textbook of Farrier Science and Craftsmanship | 978-0-916992-02-6 | 1985 | |
| The Principles of Horseshoeing P3: The Ultimate Textbook of Farrier Science and Craftsmanship for the 21st Century | 978-0-916992-26-2 | 2004 | jacob Butler · Dr. Doug Butler |