HARRIERS OF THE WORLD: THEIR BEHAVIOUR AND ECOLOGY
Written by Robert E. Simmons. Illustrated by John R. Simmons. Stock no 2139553. Published by Oxford University Press. 1ST. 2000.

THE MATING LIVES OF BIRDS
Written by James Parry. Stock no 1317100. Published by New Holland Publishers (uk) Ltd. 1st. 2012.

THE BIRDS OF GREAT YARMOUTH
Written by Peter R. Allard. Stock no 2127742. Published by Norfolk & Norwich Naturalists' Society. 1990.

GUIDE TO OWL WATCHING IN NORTH AMERICA
Written by Donald S. Heintzelman. Stock no 1317458. Published by Dover Publications. 1st. 1992.

THE CROSSLEY ID GUIDE RAPTORS
Written by Richard Crossley & Jerry Liguori & Brian Sullivan. Stock no 1609788. Published by Princeton University Press. 1st. 2013.

AMERICAN BIRDS 88TH CHRISTMAS BIRD COUNT
No author. Stock no 1201253. Published by The National Audubon Society. 1988.

AMERICAN BIRDS 87TH CHRISTMAS BIRD COUNT
No author. Stock no 1201231. Published by The National Audubon Society. 1987.

A FIELD GUIDE TO THE BIRDS OF THE USSR
Written by V.E. Flint & R.L. Boehme & Y.V. Kostin & A.A. Kuznetsov. Illustrated by Y.V. Kostin. Stock no 2113734. Published by Princeton University Press. Circa. 1984.

A NEW EXPANDED GUIDE TO THE BIRDS OF ALASKA
Written by Robert H. Armstrong. Stock no 823685. Published by Alaska Northwest Publishing Company. 1988.

BIRDS OF FLORIDA FIELD GUIDE
Written by Stan Tekiela. Stock no 1609799. Published by Adventure Publications, Inc. 2nd. 2004.

WHAT'S THAT BIRD? A STARTER'S GUIDE TO BIRDS OF SOUTHERN AFRICA
Written by Kenneth Newman. Stock no 2124021. Published by Struik Nature..

BIRDS OF WESTERN NORTH AMERICA
Written by Paul Sterry & Brian E. Small. Stock no 1609770. Published by Princeton University Press. 1st. 2009.