| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Enthusiastic Tracking Field Maps | 978-1-892119-23-0 (1-892119-23-4) | 1998 |
| Enthusiastic Tracking, The Step-by-Step Training Manual | 978-1-892119-22-3 (1-892119-22-6) | 1998 |
R. S. · R. Sanders · W R. · W.S. · William R. · William S. · William Sanders