N.R. ยท N. Robertson
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| A New Owner's Guide to Australian Cattle Dogs | Hardcover | 978-0-7938-2808-1 (0-7938-2808-2) | 1999 |
| Australian Cattle Dogs | Paperback | 978-0-7938-2351-2 (0-7938-2351-X) | 1996 |
| Australian Cattle Dogs | Hardcover | 978-0-7938-1085-7 (0-7938-1085-X) | 1994 |