The Sibley guide to bird life & behavior / illustrated by David Allen Sibley ; edited by Chris Elphick, John B. Dunning, Jr., David Allen Sibley.

by Sibley, David, 1961-
New York, NY : Knopf, 2001.

Field guide to the birds of eastern North America / written and illustrated by David Sibley.

by Sibley, David, 1961-
London : Christopher Helm, c2003.