M S. ยท Michael S.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Complete Outfitting and Source Book of Bird Watching | 978-0-03-045615-2 (0-03-045615-0) | 1978 |
| The Complete Outfitting and Source Book for Bird Watching | 978-0-03-045616-9 (0-03-045616-9) | 1979 |