Ornithology

UTTENDÖRFER, O.

(Berlin), J. Neumann=Neudamm, (1939).

SCHAUENSEE, RUDOLPHE MEYER de

Edinburgh, (1971).

KELSALL, J.E. a. PHILIP W. MUNN.

London, Witherby & Co., 1905.

PALMER, RALPH S. (Edt.).

New Haven, London, 1962.

FORSHAW, JOSEPH M.

(New Jersey, 1978).

COHEN, EDWIN.

Edinburgh, London, (1963).

ORNITHOLOGISCHE BERICHTE.

Heidelberg, 1947-50.

HANDBUCH DER VÖGEL MITTELEUROPAS.

Frankfurt a. Main, 1966-77.

BROWN, LESLIE.

London, (1959).

DIXON, CHARLES.

London, Glasgow, Blackie, 1900.

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.

HOLGERSEN, HOLGER.

Oslo, 1945.

TIMMERMANN, GÜNTER.

Reykjavik, Ísafoldarprentsmidja H.F., 1938-49.

PETERS, HAROLD S. a. THOMAS D. BURLEIGH.

(Cambridge, Mass., 1951).

WEIGOLD, HUGO.

erlin, Freidländer & Sohn, 1930.

VAURIE, CHARLES.

(London, 1972).

HOLSTEIN, VAGN.

Kbhvn., 1942.