Ornithology

DOBSON, RODERICK.

London, N.Y., 1952.

RICHMOND, KENNETH.

London, (1958).

SIBLEY, CHARLES G. a. BURT L. MONROE, Jr.

New Haven, London, (1990).

SALOMONSEN, FINN.

Kbhvn., 1928.

LISTER, MICHAEL.

London, (1962).

NELSON, BRYAN.

Berkhamsted, 1978.

MARLE, J.G.

Herts, 1988.

YAPP, W.B.

London, (1970).

MØLLER, ANDERS PAPE (Red.).

Klampenborg, 1978.

DAVIDSON, ALAN.

London, 1954.

RIVOLIER, JEAN.

London, (1956).

IVANOV, A. I., E. V. KOZLOVA, L. A. PORTENKO and A. JA. TUGARINOV.

HOLGERSEN, HOLGER.

Oslo, 1945.

TÅNING, VEDEL.

København, 1930.

FABER, FRIEDRICH.

Kopenhagen, Riöpping, 1822.

GOULD, JOHN.

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

GOULD, JOHN.

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

GOULD, JOHN.

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