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 - 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' eggs: a handbook of British oölogy - Butler, Arthur G. (Arthur Gardiner), 1844 -1925 (Janson, 1886)

British birds' eggs and nests, popularly described - Atkinson, J. C. (John Christopher), 1814 -1900 (s.n, 1861)

British birds' eggs and nests, popularly described - Atkinson, J. C. (John Christopher), 1814 -1900 (G. Routledge and Sons, 1867)

British birds' eggs and nests : popularly described - Atkinson, J. C. (John Christopher), 1814 -1900 (G. Routledge and Sons, 1901)

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, 1862)

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: their haunts and habits (Printed for private distribution only, 1868)

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 Cage Birds : containing full directions for successfully breeding, rearing, and managing the various British birds that can be kept in confinement, &c - Wallace, Robert L. (1875)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1989)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1999)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2003)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2005)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2008)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2012)

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, 1994)

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

British song birds; being popular descriptions and anecdotes of the choristers of the groves - Wood, Neville. (John W. Parker, 1836)

The British warblers : a history with problems of their lives - Grönvold, Henrik, 1858 -1940 (R.H. Porter, 1910)

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, 1892)

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, 2005)

Büffons Naturgeschichte der Vögel : aus dem Französischen, mit Anmerkungen und Zusätzen - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (bey Hermann Heinrich Holle, 1781)

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

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

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

Bulletin - Société des amis des sciences naturelles de Rouen. (1882)

Bulletin - Société d'Étude des Sciences Naturelles de Béziers. (1894)

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 - Société des amis des sciences naturelles de Rouen. (1898)

Bulletin - Société des amis des sciences naturelles de Rouen. (1902)

Bulletin - Société des amis des sciences naturelles de Rouen. (1913)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1970)

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

Bulletin - United States National Museum (G.P.O, 1949)

Bulletin - United States National Museum (G.P.O, 1968)

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

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1911)

Bulletin d'écologie - Société Française D'Écologie (Masson, 1973)

Bulletin d'écologie - Société Française D'Écologie (Masson, 1980)

Bulletin d'écologie - Société Française D'Écologie (Masson, 1982)

Bulletin d'écologie - Société Française D'Écologie (Masson, 1984)

Bulletin d'écologie - Société Française D'Écologie (Masson, 1983)

Bulletin de la Société des sciences naturelles de Neuchâtel - Société neuchâteloise des sciences naturelles. (Société des sciences naturelles de Neuchâtel, 1843)

Bulletin de la Société des sciences naturelles de Neuchâtel - Société neuchâteloise des sciences naturelles. (Société des sciences naturelles de Neuchâtel, 1846)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1852)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1853)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1854)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1859)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1867)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1879)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1889)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1890)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1894)

Bulletin de la Société ornithologique suisse - Société ornithologique suisse. (H. Georg, 1870)

Bulletin de la Société philomathique de Paris - Société Philomathique de Paris. (Société philomathique de Paris, 1880)

Bulletin de la Société philomathique de Paris - Société Philomathique de Paris. (Société philomathique de Paris, 1882)

Bulletin de la Société philomathique de Paris - Société Philomathique de Paris. (Société philomathique de Paris, 1911)

Bulletin de la Société portugaise des sciences naturelles - Sociedade Portuguesa de Ciências Naturais. (Société portugaise des sciences naturelles, 1910)

Bulletin de la Société vaudoise des sciences naturelles - Société vaudoise des sciences naturelles. (Blanchard, 1868)

Bulletin de la Société zoologique de Genève - Société zoologique de Genève. (Soci zoologique de Gen, 1907)

Bulletin de la Société d'acclimatation - Société d'acclimatation (Société d'acclimatation, 1871)

Bulletin de la Société d'histoire naturelle du Département de la Moselle - Société d'histoire naturelle de la Moselle. ([s.n.], 1845)