R.K. · Roland Kays · W. K. · w kays
| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| Mammals of North America | 978-0-691-07012-4 (0-691-07012-1)  | 2002 | Don E. Wilson | 
| Mammals of North America: Second Edition | 978-0-691-14092-6 (0-691-14092-8)  | 2009 | " |