| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| How to Treat Your Dogs and Cats with Over-The-Counter Drugs | Paperback | 978-1-948779-39-5 (1-948779-39-0) | 2018 |
| How to Treat Your Dogs and Cats with Over-The-Counter Drugs | Hardcover | 978-1-948779-40-1 (1-948779-40-4) | 2018 |
D D · (D-R) · D. Robert · Dr. D · Dr. Robert · Dr Robert Ridgway · R.D. · R.R. · Robert D. · Robert R. · Robert Ridgway