British birds (1981)

British birds (1982)

British birds (1984)

British birds (1985)

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 (2000)

British birds (2001)

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)

The British encyclopedia, or, Dictionary of arts and sciences : comprising an accurate and popular view of the present improved state of human knowledge - Nicholson, William, 1753 -1815 (Printed by C. Whittingham, for Longman, Hurst, Rees, and Orme [and 21 others], 1809)

The British flora : containing the select names, characters, places of growth, duration, and time of flowering of the plants growing wild in Great Britain : to which are prefixed the principles of botany - Robson, Stephen, 1741 -1779 (Printed by W. Blanchard and Company, 1777)

The British flora, or A Linnean arrangement of British plants : with their generic and specific characters, select synonyms, English names, places of growth, duration, times of flowering, and references to figures - Royal College of Physicians of London. (R. Bickerstaff, 1799)

British flowering plants - Boulger, George Simonds, 1853 -1922 (B. Quaritch, 1914)

British fungus-flora. A classified text-book of mycology - Massee, George, 1850 -1917 (G. Bell & Sons, 1895)

British fungus-flora. A classified text-book of mycology - Massee, George, 1850 -1917 (G. Bell & sons, 1892)

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, 2012)

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

The British Warblers : an account of the genus Sylvia, &c - Sweet, Robert, 1783 -1835 (1823)

British wild flowers - Hutchinson, J. (John) 1884 -1972 (David and Charles, 1900)

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)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1927)

Brotéria Série botanica (Revista Brotéria, 1912)

Brotéria Série botanica (Revista Brotéria, 1913)

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, 2003)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2004)

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)

Buffon's natural history - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (Printed for the editor & sold by T. Tegg, Cheapside, & R. Griffin, Glasgow, 1821)

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

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

Bulletin - Société des amis des sciences naturelles de Rouen. (1865)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1973)

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

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

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

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1980)

Bulletin - Essex County Ornithological Club of Massachusetts. (1931)

Bulletin - Société des amis des sciences naturelles de Rouen. (1888)

Bulletin - Société des amis des sciences naturelles de Rouen. (1908)

Bulletin - United States National Museum (G.P.O, 1937)

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

Bulletin - United States National Museum (G.P.O, 1955)

Bulletin - United States National Museum (G.P.O, 1960)

Bulletin - National Museum of Canada. (National Museum of Canada, 1946)

Bulletin - Société des amis des sciences naturelles de Rouen. (1897)

Bulletin - British Pteridological Society. (the Society, 1994)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1903)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1906)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1910)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1893)