| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Where to Watch Birds in North and East Spain | 978-0-7136-4700-6 (0-7136-4700-0) | 1999 | |
| Where to Watch Birds in Northern and Eastern Spain | 978-0-7136-8314-1 (0-7136-8314-7) | 2008 | Ernest Garcia |
Michael R. · Michael Raven · Michael Reepen · Michael Robin · Michael Rubin · Michel Ruban · Michelle Raven