1.
 |  | Title: Bird Census Techniques by Colin J. Bibby, Neil D. Burgess, David A. Hill, British Trust for Ornithology Royal Society for the Protection of Bird ISBN: 0120958309 Publisher: Academic Pr Pub. Date: 01 October, 1992 List Price: $52.00 Amazon.com Price: $52.00 |
2.
 |  | Title: Rspb Guide to British Birds by Peter Holden, J. T. R. Sharrock, Royal Society for the Protection of Birds ISBN: 0333907515 Publisher: Trans-Atlantic Pubns Pub. Date: 01 June, 2002 List Price: $19.95 Amazon.com Price: $19.95 |
3.
 |  | Title: Owls of the World by John A. Burton, Bernard Stonehouse, President of the Royal Society for the Protection of Birds ISBN: 0856546577 Publisher: Peter Lowe t/a Eurobook Pub. Date: 30 June, 1992
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4.
 |  | Title: Birds in Europe Their Conservation Status: Their Conservation Status (Birdlife Conservation, No 3) by G. M. Tucker, Melanie F. Heath, L. Tomialojc, Grimmett, Graham M. Tucker, Caroline M. Socha, Royal Society for the Protection of Birds, Birdlife International ISBN: 1560985275 Publisher: Smithsonian Inst Pr Pub. Date: 01 June, 1995 List Price: $54.95 Amazon.com Price: $54.95 |
5.
 |  | Title: Important Bird Areas in the Middle East (Birdlife Conservation Series, No. 2) by M. I. Evans, Ornithological Society of the Middle East, International Waterfowl and Wetlands Research Bureau, Royal Society for the Protection of Birds ISBN: 0946888280 Publisher: Birdlife International Pub. Date: 01 June, 1994 List Price: $25.01 Amazon.com Price: $25.01 |
6.
 |  | Title: Rspb: Where to Go Birdwatching : A Guide to Rspb Nature Reserves by Royal Society for the Protection of Bird ISBN: 0563207779 Publisher: Gloucester Pub. Date: 01 March, 1991 List Price: $11.95 Amazon.com Price: $11.95 |