Brown, Leslie, 1917-1980.
Woodcock, Martin.
Urban, Emil K.
Newman, Kenneth, 1924-2006.
Fry, C. H. (Charles Hilary)
Keith, Stuart.
Safford, Roger.
Hawkins, Frank.
by Leslie H. Brown, Emil K. Urban, Kenneth Newman ; ill. by Martin Woodcock and Peter Hayman -- ed. by Emil K. Urban, C. Hilary Fry, Stuart Keith ; colour plates by Martin Woodcock ; line drawings by Ian Willis ; acoustic references by Claude Chappuis -- ed. by C. Hilary Fry, Stuart Keith, Emil K. Urban ; colour plates by Martin Woodcock ; line drawings by Ian Willis ; acoustic references by Claude Chappuis -- ed. by Stuart Keith, Emil K. Urban, C. Hilary Fry ;colour plates by Martin Woodcock ; line drawings by Ian Willis ; acoustic references by Claude Chappuis -- ed. by Emil K. Urban, C. Hillary Fry, Stuart Keith ; colour plates by Martin Woodcock ; line drawings by Ian Willis ; acoustic references by Claude Chappuis -- C. Hilary Fry, Stuart Keith ; colour plates by Martin Woodcock ; line drawings by Ian Willis ; acoustic references by Claude Chappuis C. Hilary Fry, Stuart Keith ; colour plates by Martin Woodcock ; line drawings by Ian Willis and C. Hilary Fry ; discography by Claude Chappuis -- Roger Safford and Frank Hawkins ; plumage descriptions by David J. Pearson ; colour plates by John Gale and Brian Small.
color plates by Martin Woodcock.