Ornithology

BANNERMANN, DAVID A. a. JOSEPH A. VELLA-GAFFIERO.

Valletta, 1976.

FJELDSÅ, JON og NIELS KRABBE.

Copenhagen, 1990.

NICHOLSON, E.M.

London, 1951.

SALOMONSEN, FINN og GUSTAF RUDBECK (Red.).

Kbhvn.,(1962-61).

GOULD, JOHN.

.London, Printed by Taylor and Francis - Published by the Author, (1862-) 73.

THIENEMANN, J.

Neudamm, (1938).

SUTTON, GEORGE MIKSCH.

Norman, (1951).

ALI, SÁLIM.

Oxford, 1962.

MACKINNON, JOHN.

Yogyakarta, Gadjah Mada University Press, 1990.

WILKINSON, E.S.

Shanghai, North-China Daily News & Herald Ltd., 1929.

CHECK-LIST OF NORTH AMERICAN BIRDS.

Lawrence, (1983).

DEIGNAN, HERBERT G.

Washington, 1963.

SHARROCK, J.T.R.

Hertfordshire, (1976).

SNOW, D.W. (Edt.).

Oxford, (1971).

LACK, DAVID.

Oxford, Edinburgh, 1971.

BEWICK, THOMAS.

Newcastle, 1832.

SPRUNT, ALEXANDER Jr. a. E. BURNHAM CHAMBERLAIN.

Columbia, 1949.

FISHER, JAMES.

London, 1952.