| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Coastal and Ocean Seamanship | 978-0-901281-26-5 (0-901281-26-3) | 1971 | Oswald M. Watts |
| Sextant Simplified: A Practical Explanation of the Use of the Sextant at Sea | 978-0-901281-02-9 (0-901281-02-6) | 1969 | " |
M W · M. Watts · Martin Watts · O. M. · O. Martin · O.W. · O. Watts · Oswald M. Watts