| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Making 36%: Duffer's Guide to Breaking Par in the Market Every Year, in Good Years and Bad | 978-0-9776372-2-5 (0-9776372-2-0) | 2007 |
| Making 36 Percent Duffers Guide to Breaking Par in the Market Every Year in Good Years and Bad | 978-0-9776372-4-9 (0-9776372-4-7) | 2008 |
D.A. · D. Allen · D.F. · D.F. Allen · D. T. · D. Terry · F A · F. Allen · T.A. · T Allen · T. F. · Terry Allen · Terry F. Allen