British birds (2013)

British birds (2014)

British birds (2015)

British birds (2016)

British birds (2012)

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: 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 naturalist (1893)

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

Bulletin - Pacific Seabird Group. (The Group, 1977)

Bulletin - Pacific Seabird Group. (The Group, 1979)

Bulletin - United States National Museum (G.P.O, 1909)

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

Bulletin - Pacific Seabird Group. (The Group, 1981)

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

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

Bulletin - Société des amis des sciences naturelles de Rouen. (1893)

Bulletin - Société des amis des sciences naturelles de Rouen. (1895)

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

Bulletin - Société des amis des sciences naturelles de Rouen. (1903)

Bulletin - National Museum of Canada. (National Museum of Canada, 1926)

Bulletin - National Museum of Canada. (National Museum of Canada, 1928)

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

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

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1940)

Bulletin - National Museum of Canada. (National Museum of Canada, 1960)

Bulletin - Société des amis des sciences naturelles de Rouen. (1892)

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

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1952)

Bulletin - National Museum of Canada. (National Museum of Canada, 1953)

Bulletin - National Museum of Canada. (National Museum of Canada, 1954)

Bulletin - National Museum of Canada. (National Museum of Canada, 1956)

Bulletin - National Museum of Canada. (National Museum of Canada, 1959)

Bulletin - National Museum of Canada. (National Museum of Canada, 1967)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1908)

Bulletin de la Classe des sciences - Académie royale des sciences, des lettres et des beaux-arts de Belgique. Classe des sciences. (Palais des Académies, 1904)

Bulletin de la Société d'histoire naturelle de Colmar - Société d'histoire naturelle de Colmar. (Société d'histoire naturelle de Colmar, 1895)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1886)

Bulletin de la Société neuchâteloise des sciences naturelles - Société neuchâteloise des sciences naturelles. (Impr. wolfrath, 1909)

Bulletin de la Société philomathique de Paris - Société Philomathique de Paris. (Société philomathique de Paris, 1912)

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

Bulletin de la Société d'histoire naturelle du Département de la Moselle - Société d'histoire naturelle de la Moselle. ([s.n.], 1855)

Bulletin de la Société des sciences naturelles de l'Ouest de la France - Société des sciences naturelles de l'Ouest de la France. (Société des sciences naturelles de l'Ouest de la France [etc.], 1900)

Bulletin de la Société des sciences naturelles de l'Ouest de la France - Société des sciences naturelles de l'Ouest de la France. (Société des sciences naturelles de l'Ouest de la France [etc.], 1905)

Bulletin de la Société linnéenne de Normandie - Société linnéenne de Normandie. (The Society, 1876)

Bulletin de la Société linnéenne de Normandie - Société linnéenne de Normandie. (The Society, 1904)

Bulletin de la Société zoologique de France - Société zoologique de France. (La Société, 1877)

Bulletin de la Société zoologique de France - Société zoologique de France. (La Société, 1879)

Bulletin de la Société zoologique de France - Société zoologique de France. (La Société, 1887)

Bulletin de la Société zoologique de France - Société zoologique de France. (La Société, 1889)

Bulletin de la Société zoologique de France - Société zoologique de France. (La Société, 1896)

Bulletin de la Société zoologique de France - Société zoologique de France. (La Société, 1897)

Bulletin des sciences naturelles et de géologie (1828)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1924)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1922)

Bulletin - Nigerian Ornithologists' Society - Nigerian Ornithologists' Society. (Ahmadu Bello University Press, 1975)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1995)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1997)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1998)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1999)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2000)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2001)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2002)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2003)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2004)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2006)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2007)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2008)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2009)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2010)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2011)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2012)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2013)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2014)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2015)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2016)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2017)

Bulletin of the British Museum (Natural History) Historical Series - British Museum (Natural History) (BM(NH), 1959)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1988)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1892)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1905)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1910)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1911)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1913)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1914)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1920)