British birds (2000)

British birds (2001)

British birds (2002)

British birds (2003)

British birds (2004)

British birds (2005)

British birds (2006)

British birds (2007)

British birds (2008)

British birds (2009)

British birds (2010)

British birds (2011)

British birds (2012)

British birds (2013)

British birds (2014)

British birds (2015)

British birds (2016)

British birds (1994)

British birds - Jardine, William, 1800 -1874 (W.H. Lizars [etc.], 1843)

British birds & their eggs : with a new method of identification - Boraston, John Maclair. (W. & R. Chambers, 1909)

British birds and their eggs : with a new method of identification - Boraston, John Maclair. (W. & R. Chambers, 1909)

British birds : descriptions of all the commoner species, their nests and eggs - Kirkman, F. B. (Frederick B.), 1869 -1945 (T.C. & E. Jack, 1900)

British birds in their haunts - Johns, C. A. (Charles Alexander), 1811 -1874 (Society for Promoting Christian Knowledge, 1862)

British birds in their haunts - Johns, C. A. (Charles Alexander), 1811 -1874 (G. Routledge & Sons, limited, 1909)

British birds in their haunts - Johns, C. A. (Charles Alexander), 1811 -1874 (Society for Promoting Christian Knowledge, 1893)

British birds in their haunts - Johns, C. A. (Charles Alexander), 1811 -1874 (Society for Promoting Christian Knowledge, 1867)

British birds in their haunts - Johns, C. A. (Charles Alexander), 1811 -1874 (G. Routledge, 1922)

British birds: key list - Irby, L. Howard (Leonard Howard Lloyd), 1836 -1905 (R. H. Porter, 1892)

British birds : key list - Irby, L. Howard (Leonard Howard Lloyd), 1836 -1905 (R.H. Porter, 1888)

British birds with their nests and eggs - Frohawk, Frederick William, 1861 -1946 (Brumby & Clarke, 1896)

British birds - Thorburn, Archibald, 1860 -1935 (Longmans, Green, 1915)

British nesting birds : a complete record of every species which nests in the British Isles - Westell, W. Percival (William Percival), 1874 -1943 (J.M. Dent, 1910)

British oology : being illustrations of the eggs of British birds, with figures of each species, as far as practicable, drawn and coloured from nature : accompanied by descriptions of the materials and situation of their nests, number of eggs - Hewitson, William C. (William Chapman), 1806 -1878 (Published for the author by C. Empson, 1833)

British Ornithologists' Club occasional publications - British Ornithologists' Club. (British Ornithologists' Club, 1999)

British ornithology : being the history with a coloured representation of every known species of British birds - Graves, George, 1754 -1839 (Printed for the author, by Stephen Couchman ... and sold by Sherwood, Neely, and Jones, 1813)

British ornithology : containing portraits of all the British birds including those of foreign origin which have become domesticated - Hunt, John, fl 1812 - (Bacon, 1815)

The British warblers : a history with problems of their lives - Grönvold, Henrik, 1858 -1940 (R.H. Porter, 1909)

The British warblers : a history with problems of their lives - Grönvold, Henrik, 1858 -1940 (R.H. Porter, 1912)

British zoology - Stejneger, Leonhard, 1851 -1943 (Printed for Benjamin White, 1768)

British zoology - Pennant, Thomas, 1726 -1798 (Printed by William Eyres, for Benjamin White ..., London, 1776)

The British zoology. instituted for the promoting useful charities, and the knowledge of nature, among the descendants of the ancient Britons.... Class I, Quadrupeds - Pennant, Thomas, 1726 -1798 (J. and J. March, for the Society, 1766)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1895)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 1997)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 1998)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2001)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2002)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2003)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2007)

Das buch von der biene - Witzgall, Johann, 1848 - (Eugen Ulmer, 1898)

Büffons Naturgeschichte der Vögel : aus dem Französischen, mit Anmerkungen und Zusätzen - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (bey Hermann Heinrich Holle, 1776)

Buletinul Societății de Șciințe din Bucureșci, România = Bulletin de la Société des sciences de Bucarest, Roumanie - Societatea de Științe din București. (Societatea, 1892)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1971)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1975)

Bulletin - Société des amis des sciences naturelles de Rouen. (1867)

Bulletin - Société des amis des sciences naturelles de Rouen. (1868)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1907)

Bulletin - Société des amis des sciences naturelles de Rouen. (1878)

Bulletin - Société des amis des sciences naturelles de Rouen. (1879)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1983)

Bulletin - Société des amis des sciences naturelles de Rouen. (1881)

Bulletin - Société des amis des sciences naturelles de Rouen. (1889)

Bulletin - Société des amis des sciences naturelles de Rouen. (1891)

Bulletin - Société des amis des sciences naturelles de Rouen. (1896)

Bulletin - United States National Museum (G.P.O, 1927)

Bulletin - Société des amis des sciences naturelles de Rouen. (1922)