Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1971)

Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1973)

Britain's birds and their nests - Thomson, J. Arthur (John Arthur), 1861 -1933 (W. & R. Chambers, 1910)

British and foreign Aborigines' protection society - Aborigines' protection society. (Printed by J. and C. Adlard, 1830)

The British bird book - Pycraft, W. P. (William Plane), 1868 -1942 (A. & C. Black, 1921)

The British bird book : an account of all the birds, nests and eggs found in the British Isles - Jourdain, F. C. R. (Francis Charles Robert), 1865 -1940 (T.C. & E.C. Jack, 1910)

The British bird book; an account of all the birds, nests and eggs found in the British Isles - Jourdain, F. C. R. (Francis Charles Robert), 1865 -1940 (T.C. & E.C. Jack, 1910)

British birds - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and co, 1921)

British birds - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and co, 1895)

British birds (1913)

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