University Optics · Various small imprints
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Choosing, using, and repairing binoculars | 978-0-934639-01-9 (0-934639-01-9) | 1995 |
| Guide to Riflescope Repair | 978-0-692-23784-7 (0-692-23784-4) | 2014 |
| Guide to riflescope repair | 978-0-934639-00-2 (0-934639-00-0) | 1985 |
J. S. · J Seyfried · J. W. · J. W. S. · Seyfried J.W. · W.S.