British birds (1986)

British birds (1987)

British birds (1988)

British birds (1989)

British birds (1990)

British birds (1991)

British birds (1992)

British birds (1993)

British birds (1994)

British birds (1995)

British birds (1996)

British birds (1997)

British birds (1998)

British birds (1999)

British birds (2002)

British birds (2003)

British birds (2004)

British birds (2005)

British birds (2006)

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 and 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 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: 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' nests, how, where, and when to find and identify them - Kearton, Richard, 1862 -1928 (Cassell and Company, Limited, 1908)

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 Central Africa : an attempt to give some account of a portion of the territories under British influence, north of the Zambesi - Johnston, Harry, 1858 -1927 (Arnold, 1897)

British Central Africa; an attempt to give some account of a portion of the territories under British influence north of the Zambezi - Johnston, Harry, 1858 -1927 (Edward Arnold, 1897)

The British cyclopædia of natural history: combining a scientific classification of animals, plants, and minerals ... - Partington, Charles Frederick, 1857? (Orr & Smith, 1835)

British fresh-water Copepoda - Gurney, Robert, 1879 -1950 (Ray Society, 1931)

British Graham land expedition, 1934-37. Scientific reports. v. 1 - British Museum (Natural History) (Printed by order of the Trustees of the British museum, 1940)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2010)

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, 1997)

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 W. and S. Graves and sold by Sherwood, Neely, and Jones, 1821)

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, 1908)

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

British zoology - Pennant, Thomas, 1726 -1798 (Printed for Wilkie and Robinson [etc.], 1812)

British zoology - Pennant, Thomas, 1726 -1798 (Printed for Wilkie and Robinson; J. Nunn; White and Cochrane; Longman, Hurst, Rees, Orme, and Brown; Cadell and Davies; J. Harding; J. Booth; J. Richardson; J. Mawman; J. and A. Arch; R. Baldwin; and, 1812)

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, 2005)

Budapest és környéke természetrajzi, orvosi és közmivelődési leirása : Budapest főváros : a magyar orvosok és természetvizsgálók XX. nagy-gyülésére emlékül - Dulácska, Géza, (Nyomatott a Magyar Királyi Egyetemi Könyvnyomdában, 1879)

Buffoni et Daubentoni figurarum avium coloratarum nomina systematica - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (J. Oomkens, 1820)

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

Buletinul Societății de Șciințe din Bucureșci, România = Bulletin de la Société des sciences de Bucarest, Roumanie - Societatea de Științe din București. (Societatea, 1911)

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

Bulletin - Société des amis des sciences naturelles de Rouen. (1869)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1977)

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

Bulletin - Société d'Étude des Sciences Naturelles de Béziers. (1896)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1910)

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

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1934)

Bulletin - United States National Museum (G.P.O, 1926)