m r · M. Roberts · Mervin F. Roberts
| title | ISBN-13 | year of publication |
|---|---|---|
| All About Breeding Budgerigars | 978-0-86622-997-5 | 1984 |
| All About Breeding Lovebirds | 978-0-86622-695-0 | 1984 |
| Breeding Society Finches | 978-0-87666-991-4 | 1979 |
| Snakes | 978-0-86622-861-9 | 1990 |
| Society Finches | 978-0-87666-990-7 | 1979 |
| The Tidemarsh Guide | 978-0-525-93080-8 | 1979 |
| Tide Marsh Guide | 978-0-525-47580-4 | 1980 |