Kain Roger · R.K. · Roger (ed) Kain · Roger J. P. Kain
HarperCollins · St. Martin's Press
| title | ISBN-13 | year of publication |
|---|---|---|
| Basic Vocal Workout | 978-1-84492-024-2 | 2004 |
| Planning for Conservation: An International Perspective | 978-0-312-61400-3 | 1980 |
| The Complete Vocal Workout | 978-1-84492-003-7 | 2003 |
| The South West: English Heritage Volume 3 | 978-0-00-715572-9 | 2006 |
| Xtreme Vocals | 978-1-84492-034-1 | 2004 |