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, 1913)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1916)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1917)

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

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1920)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1915)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1922)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1920)

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

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

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

Aves de México : lista actualizada de especies y nombres comunes 2015 - Gómez de Silva, Héctor (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2015)

Avian responses to management of riparian habitat in the Prineville District, Bureau of Land Management, Central Oregon, draft : report of 1999 and 2000 field activities - United States. Bureau of Land Management. Oregon State Office. (Wildlife Conservation Society, North American Program, 2000)

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, 1997)

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, 1906)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1913)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1916)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1930)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1934)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1961)

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2012)

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

Baby bird-finder ... by Harriet E. Richards and Emma G. Cummings - Cummings, Emma G., 1856 -1940 (W.A. Butterfield, 1904)

Baby pathfinder to the birds; a pocket guide to one hundred and ten land birds of New England, with blank pages for notes - Cummings, Emma G., 1856 -1940 (W.A. Butterfield, 1904)

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

The Bahama Islands - Geographical Society of Baltimore. (The Macmillan company, 1905)

The Bahama Islands - Geographical Society of Baltimore. (Johns Hopkins Press, 1905)

The Bahama Islands - Geographical Society of Baltimore. (Macmillan, 1905)

Banisteria : a journal devoted to the natural history of Virginia - Virginia Natural History Society. (Virginia Natural History Society, 2006)

Banisteria : a journal devoted to the natural history of Virginia - Virginia Natural History Society. (Virginia Natural History Society, 2008)

Banisteria : a journal devoted to the natural history of Virginia - Virginia Natural History Society. (Virginia Natural History Society, 2012)

Beach grass - Townsend, Charles Wendell, 1859 -1934 (Marshall Jones Co, 1923)

Beneath tropic seas; a record of diving among the coral reefs of Haiti - Beebe, William, 1877 -1962 (G.P. Putnam's Sons, 1928)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1898)

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1898)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1899)

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)

Bio-ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (J. Wiley & Sons, inc, 1939)

La biodiversidad en Aguascalientes : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

La biodiversidad en Chiapas : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2013)

La biodiversidad en Colima estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2016)

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 in harvested areas in relation to standing live trees and snags : update 1997/98 - Alberta. Alberta Environmental Protection. (Alberta Environmental Protection, 1998)

Biologia centrali-americana: Aves - Godman, Frederick Du Cane, 1834 -1919 (R.H. Porter], 1879)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1879)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1927)

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 survey of the sand dune region on the south shore of Saginaw Bay, Michigan - Michigan. Geological Survey. (Wynkoop, Hallenbeck, Crawford co., state printers, 1911)

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)

Bird-architecture - Rennie, James, 1787 -1867 (C. Knight, 1844)

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)

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)

Bird guide. from parrots to bluebirds Part 2 Land birds east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Reed, 1906)

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 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, 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,, 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 & McClure Co, 1900)

Bird lice from the Tinamidae - Clay, Theresa (1943)

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 (D. Appleton, 1912)

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, 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 and company, 1898)