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, 1913)

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

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

Autobiographical notes and a bibliography of the scientific publications of Joel Asaph Allen - Allen, J. A. (Joel Asaph), 1838 -1921 (The Museum, 1916)

Autumn land-bird migration on the barrier islands of northeastern North Carolina - North Carolina Biological Survey. (North Carolina Biological Survey, 1986)

Avian energetics - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1974)

Avicula giornale ornitologico italiano (Agenzia del Giornale, 1897)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1924)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1946)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1964)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1969)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1971)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1973)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1978)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1983)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1984)

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, 2016)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2017)

Avifauna italica. Elenco delle specie di uccelli stazionarie o di passaggio in Italia, colla loro sinonimia volgare e con notizie più specialmente intorno alle migrazioni ed alla nidificazione - Giglioli, Enrico Hillyer, 1845 -1909 (Coi tipi dei successori Le Monnier, 1886)

The Banks letters : a calendar of the manuscript correspondence of Sir Joseph Banks preserved in the British Museum, the British Museum (Natural History) and other collections in Great Britain - Banks, Joseph, 1743 -1820 (printed by order of the Trustees of the British Museum, 1958)

Behavioral ecology and habitat relationships of long-billed curlew in western Idaho - United States. Bureau of Land Management. Boise District Office. (U.S. Department of the Interior, Bureau of Land Management, 1981)

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)

Beitrag zur Kenntnis der Vogelwelt Islands - Hantzsch, Bernhard Adolph, 1875 -1911 (R. Friedler & Sohn, 1905)

Beitrag zur Osteologie des Vogelschwanzes : Inaugural-dissertation der philosophischen Fakultät der Universität Bern zur Erlangung der Doctorwürde - Oort, E. D. van (Eduard Daniël),‏ ‎ 1876 -1933 (E.J. Brill, 1904)

Benjamin Smith Barton : naturalist and physician in Jeffersonian America - Ewan, Nesta. (Missouri Botanical Garden Press, 2007)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1870)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1906)

Bericht des Westpreussischen Botanisch-Zoologischen Vereins - Westpreussischer Botanisch-Zoologischer Verein. (Das Verein, 1912)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1847)

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, 1925)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1896)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1897)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1901)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1902)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1904)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 3, Subject index - Field Museum of Natural History. (Field Museum of Natural History, 1946)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 4, Finding index - Field Museum of Natural History. (Field Museum of Natural History, 1959)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 1, Author catalogue A to J - Field Museum of Natural History. (Field Museum of Natural History, 1939)

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)

Biodiversity journal (Edizioni Danaus, 2012)

Biodiversity trends and threats in Europe: development and test of a species trend indicator - de Heer, M. (RIVM, UNEP-WCMC, 2005)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1902)

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)

The Biological review of Ontario - Biological Society of Ontario (Biological Society of Ontario, 1894)

A biological survey of the Pribilof islands, Alaska. I. Birds and mammals - United States. Bureau of Biological Survey. (Govt. Print. Off, 1923)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1897)

Bird banding in North America : the first hundred years - Jackson, Jerome A (Nuttall Ornithological Club, 2008)

Bird blow flies (Protocalliphora) in North America (Diptera: Calliphoridae), with notes on the Palearctic species - Sabrosky, Curtis W. (Curtis Williams), 1910 -1997 (Smithsonian Institution Press, 1989)

Bird guide. Part 2, Land birds east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson Book Co, 1909)

Bird guide. pt. 2, Land birds east of the Rockies, from parrots to bluebirds - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1909)

Bird guide : land birds east of the Rockies from parrots to bluebirds - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, 1916)

Bird guide : land birds east of the Rockies from Parrots to Bluebirds - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, and Co, 1926)

Bird guide, part 2 : land birds east of the Rockies, from parrots to bluebirds - Reed, Chester A. (Chester Albert), 1876 -1912 (Chas. K. Reed, 1912)

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

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton, 1899)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (1901)

Bird-life; a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton and company, 1900)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton and company, 1897)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton, 1912)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton, 1915)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton, 1919)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (Appleton, 1900)

Bird-life; a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton & co, 1899)

Bird-life; a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton and company, 1898)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (McClelland, 1901)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1902)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1903)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1913)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1913)

Bird neighbors : an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (G. Morang, 1898)

Bird neighbors : an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, 1918)

Bird neighbors : an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Double Day, Page, 1908)

Bird neighbors : an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Burroughs, John, 1837 -1921 (Doubleday & McClure Co, 1897)

Bird neighbors : an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Burroughs, John, 1837 -1921 (G.N. Morang, 1903)

Bird neighbors. An introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Grosset & Dunlap, 1904)

Bird neighbors; an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Garden City Pub. Co, 1922)

Bird neighbors. An introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday & McClure, 1900)

Bird neighbors. An introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & Co, 1903)

Bird neighbors. An introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & Co, 1904)

Bird neighbors. An introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page, 1916)

Bird neighbors : an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday & McClure, 1899)

Bird neighbors : an introductory acquaintance with one hundred and fifty birds commonly found in the gardens, meadows, and woods about our homes - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday & McClure, 1898)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1911)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1914)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1922)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1923)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1913)

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, 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 (1970)

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)

Birdcraft : a field book of two hundred song, game, and water birds - Wright, Mabel Osgood, 1859 -1934 (Macmillan, 1895)

Birdcraft : a field book of two hundred song, game, and water birds - Fuertes, Louis Agassiz, 1874 -1927 (Macmillan Co, 1899)

Birdcraft : a field book of two hundred song, game, and water birds - Fuertes, Louis Agassiz, 1874 -1927 (Macmillan Co, 1900)

Birdcraft : a field book of two hundred song, game, and water birds - Fuertes, Louis Agassiz, 1874 -1927 (Macmillan Co, 1897)

Birds about our homes - Sage, John Hall, 1847 -1925 (1887)

Birds and nature (A.W. Mumford, Publisher, 1905)

Birds and poets, with other papers - Burroughs, John, 1837 -1921 (Houghton Mifflin, 1897)

Birds : illustrated by color photography : a monthly serial (Nature Study Publishing Co, 1897)

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)

Birds' nests; an introduction to the science of caliology - Dixon, Charles, 1858 -1926 (G. Richards, 1902)

The birds of Amherst and vicinity, including nearly the whole of Hampshire county, Massachusetts - Clark, Hubert Lyman, 1870 -1947 (Press of Carpenter & Morehouse, 1906)

Birds of Britain - Bonhote, J. Lewis (John Lewis), 1875 -1922 (A. and C. Black, 1907)

The birds of Britain : their distribution and habits - Evans, A. H. (Arthur Humble) (Cambridge University Press, 1916)