| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Development of Methods of Surveying and Estimating Population Size of Short-eared Owls | 978-1-906204-41-9 | 2008 | John Calladine · Humphrey Crick |
| Extensive Monitoring of Arctic-alpine Birds in Scotland: A Pilot Survey to Test the Potential for Using Volunteer Surveyors | 978-1-906204-24-2 | 2012 | John Calladine |
| Raptors: A Field Guide for Surveys and Monitoring | 978-0-11-497345-2 | 2009 | Jon Hardey · Humphrey Crick · Helen Riley · Brian Etheridge · Des Thompson |
| Raptors: A Field Guide to Surveying and Monitoring | 978-0-11-497321-6 | 2006 | Jon Hardey · Humphrey Clark · Helen Riley · Brian Etheridge · Des Thompson |
| The Migration Atlas: Movements of the Birds of Britian and Ireland | 978-0-7136-6514-7 | 2002 | Gavin M. Siriwardena · Mike Toms · John Marchant · Jacquie A. Clark · Stephen Baillie |
A & C Black Publishers Ltd · British Trust for Ornithology · Stationery Office Books