Ornithology

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BURTON, MAURICE.

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NETHERSOLE-THOMSON, DESMOND.

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NEWTON, I.

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GOULD, JOHN.

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

TINBERGEN, N.

Oxford, 1951.

GOULD, JOHN.

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

SCHÜZ, ERNST.

Frankfurt a. Main, 1952.

NES, J.G.TH. von.

Zutphen, (1953).

SALOMONSEN, FINN.

Kbhvn., 1953.

KUMARI, E.

Tallinn, 1954.

RAGN-JENSEN, LEIF.

(Kbhvn., 1951).

PELZELN, AUGUST von. - NOVARA-EXPEDITION.

Wien, Kaiserlich-Königlichen Hof-und Staatsdruckerei, 1865.

HAGBERG, KNUT.

Stockholm, (1942).

GOULD, JOHN.

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

EASTMAN, ROSEMARY.

London, 1969.

HAVERSCHMIDT, FR.

Leiden, 1949.