Ornithology

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MARSHALL, A.J.

Oxford, 1954.

DOBSON, RODERICK.

London, N.Y., 1952.

RICHMOND, KENNETH.

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SALOMONSEN, FINN.

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LISTER, MICHAEL.

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NELSON, BRYAN.

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MARLE, J.G.

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YAPP, W.B.

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MØLLER, ANDERS PAPE (Red.).

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DAVIDSON, ALAN.

London, 1954.

RIVOLIER, JEAN.

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

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.