AUTHOR
Kennedy, Robert S.
2
Alderton, David 1956-
1
Ali, Salim I.
1
Allen, Richard
1
Alviola, Pedro L. 1948-
1
Barnes, H. Edwin
1
Barrett, Peter
1
Beletsky, Les 1956-
1
BirdLife International issuing body
1
Bourns, Frank S.
1
Bruce, Murray D.
1
Chandler, David 1964-
1
Couzens, Dominic
1
Crosby, Michael J.
1
Dickinson, Edward C.
1
Dunham, Judith
1
Glatz, Phil
1
Hume, Julian P.
1
Kalaw, Teodoro Manguiat 1884-1940
1
Lazaro, Cheche
1
Low, Rosemary
1
Lunam, Christine
1
Malecki, Irek
1
Mallari, Neil Aldrin D.
1
McGregor, Richard Crittenden 1909
1
McGregor, richard Crittenden,1871
1
Nurney, David
1
Philippine (Republic) Department of Agriculture and Natural Resources. Conservation Information Division
1
Robson, Craig
1
Ruanto, B. M.
1
Shearer, Barbara Smith
1
Shearer, Benjamin F.
1
SpringerLink (Online service)
1
Tabaranza, Blas R.
1
Walters, Michael 1942-
1
Worchester, Dean Conant,1866- joint auth
1