C.R. · C.S. · Colin R. Shawyer · R. S.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The BTO Barn Owl Monitoring Programme: 2000-2008 | 978-1-906204-77-8 (1-906204-77-2) | 2010 | D. I. Leech · C. J. Barimore · S. E. Newson |
| The BTO Barn Owl Monitoring Programme: Final Report 2000-2009 | 978-1-906204-88-4 (1-906204-88-8) | 2011 | D. Dadam · C. J. Barimore · D. I. Leech |
| The BTO Barn Owl Monitoring Project 2000-2007 | 978-1-906204-47-1 (1-906204-47-0) | 2009 | D. I. Leech · C. J. Barimore |