The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1907)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1908)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1909)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1910)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1915)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1911)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1912)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1914)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1918)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1919)

An authentic history of Lancaster County : in the state of Pennsylvania - Mombert, J. I. (Jacob Isidor), 1829 -1913 (J.E. Barr & Co, 1869)

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Avicennia : revista de ecología, oceanología y biodiversidad tropical - Instituto de Ecología y Sistemática (Academia de Ciencias de Cuba) (Universidad de Oviedo, 1994)

Avicennia : revista de ecología, oceanología y biodiversidad tropical - Instituto de Ecología y Sistemática (Academia de Ciencias de Cuba) (Universidad de Oviedo, 2000)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1976)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1975)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1977)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1981)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1996)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1998)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2014)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2015)

The avifauna of Louisiana, with an annotated list of the birds of the State - Beyer, George E. (George Eugene), 1861 -1926 (1900)

Baby bird-finder ... by Harriet E. Richards and Emma G. Cummings - Cummings, Emma G., 1856 -1940 (W.A. Butterfield, 1906)

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The Bahama Islands - Shattuck, George Burbank, 1869 -1934 (The Macmillan company, 1905)

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Beiträge zur Vogelfauna der Mark Brandenburg. Materialen zu einer Ornithologie der norddeutschen Tiefebene auf Grund eigener Beobachtungen und darauf gegründeter Studien - Schalow, Herman, 1852 -1925 (Deutsche ornithologische Gesellschaft, 1919)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1882)

Bering's voyages; an account of the efforts of the Russians to determine the relation of Asia and America - Stejneger, Leonhard, 1851 -1943 (American geographical society, 1922)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1900)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1903)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1911)

Bibliography of Forest Service range, wildlife and fish habitat, and related research publications : 1977-89 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1990)

Bibliotheca zoologica II. verzeichness der schriften über zoologie welche in den periodischen werken enthalten und vom jahre 1861-1880 selbständig erschienen sind, mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (Wilhelm Engelmann, 1887)

Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

La biodiversidad en Chihuahua : estudio de estado - Barajas, Nélida (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2014)

La biodiversidad en Guanajuato: estudio de Estado - Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO) (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2012)

La biodiversidad en Michoacán: estudio de estado - Leal Nares, Oscar Adrián (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2005)

La biodiversidad en Veracruz : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2011)

Biodiversity journal (Edizioni Danaus, 2012)

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Biological investigation in Alaska and Yukon territory : I. East Central Alaska. II. The Ogilvie range, Yukon. III. The Macmillan River, Yukon - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1909)

A biological investigation of the Athabaska-Mackenzie region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. print. off, 1908)

A biological investigation of the Hudson Bay region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. Print. Off, 1902)

A biological reconnaissance of the base of the Alaska peninsula - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1904)

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Biophysical land classification, range assessment and significant features assessment of the Hand Hills Ecological Reserve - Cornish, Beth. (Alberta Environmental Protection, Resource Data Division, 1997)

Biophysical overview, significant, sensitive and disturbance features of the Saddle Hills, Alberta - Bentz, Jerry A. (GEOWEST Environmental Consultants Ltd, 1999)

Biophysical overview, significant, sensitive and disturbance features of the Eagle Butte sensitive area - Geowest Environmental Consultants Ltd. (GEOWEST Environmental Consultants Ltd, 1996)

Biosphere Reserves, Compilation 5, October 1990: programme on man and the biosphere (MAB) (1990)

The bird book, illustrating in natural colors more than seven hundred North American birds, also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1914)

The bird book : illustrating in natural colors more than seven hundred North American birds; also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & company, 1915)

Bird guide - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson, 1906)

Bird guide ... - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson Book Co, 1906)

Bird guide : water birds, game birds and birds of prey - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, 1916)

Bird guide : water birds, game birds and birds of prey east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1910)

Bird guide : water birds, game birds and birds of prey east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson Book Co, 1910)

Bird guide...east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & Co, 1910)

Bird homes - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday, Page, 1902)

Bird homes : the nests, eggs, and breeding habits of the land birds breeding in the eastern United States ; with hints on the rearing and photographing of young birds - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday, Page, 1905)

Bird homes. The nests, eggs and breeding habits of the land birds breeding in the eastern United States; with hints on the rearing and photographing of young birds - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday & McClure Co, 1904)

Bird homes : the nests, eggs and breeding habits of the land birds breeding in the eastern United States, with hints on the rearing and photographing of young birds / - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday & McClure,, 1920)

Bird homes : The nests, eggs and breeding habits of the land birds breeding in the eastern United States with hints on the rearing and photographing of young birds - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday, Page & Co, 1903)

Bird homes. The nests, eggs and breeding habits of the land birds breeding in the eastern United States; with hints on the rearing and photographing of young birds - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday & McClure Co, 1900)

Bird life in Labrador - Stearns, Winfrid Alden, 1852 -1909 (1890)

The bird life of Texas - Fuertes, Louis Agassiz, 1874 -1927 (University of Texas Press, 1974)

Bird notes afield; essays on the birds of the Pacific coast with a field check list - Keeler, Charles, 1871 -1937 (P. Elder and company, 1907)

Bird notes afield; a series of essays on the birds of California - Keeler, Charles, 1871 -1937 (D.P. Elder & M. Shepard, 1899)

Bird observations in Los Roques, Venezuela - LeCroy, Mary (American Museum of Natural History, 1976)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1989)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1990)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1991)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1992)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1993)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1996)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1997)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1966)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1968)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1970)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1974)

Bird status and distribution on the Cedar River and Grand River National Grasslands, 2011 - Dakota Prairie National Grasslands (Agency : U.S.) (U.S. Dept. of Agriculture, Forest Service, Dakota Prairie Grasslands, 2011)

Bird status and distribution on the Fort Pierre National Grassland, 2016 - Mares, Ruben, (Forest Service, Department of Agriculture, 2016)

Bird studies; an account of the land birds of eastern North America - Scott, William Earl Dodge, 1852 -1910 (G. P. Putnam's Sons, 1898)

Birds and mammals of the Skeena River region of northern British Columbia - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (University of California Press, 1924)

Birds - Baird, Spencer Fullerton, 1823 -1887 (1858)

Birds. Collected excerpts from v. 10 of Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (1900)

Birds in Kansas - Thompson, Max C. (University of Kansas, Museum of Natural History, 1989)

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Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2011)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2012)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2013)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2014)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2015)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2016)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2017)

Birds; a miscellaneous collection of 37 pamphlets about birds - Biological Society of Washington (1910-1913, 1914)

The birds of Albany County; a catalogue of the species recorded in this vicinity with notes on their lives and habits, and brief field-marks for aid in identification - Judd, Wilbur Webster. ([Press of Brandow printing co.], 1907)