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, 1915)

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)

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

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)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1938)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1940)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1941)

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, 1977)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1987)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1994)

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

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

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, 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)

Banisteria : a journal devoted to the natural history of Virginia - Virginia Natural History Society. (Virginia Natural History Society, 2000)

Banisteria : a journal devoted to the natural history of Virginia - Virginia Natural History Society. (Virginia Natural History Society, 2003)

Banisteria : a journal devoted to the natural history of Virginia - Virginia Natural History Society. (Virginia Natural History Society, 2007)

Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1880)

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

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1913)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1914)

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 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 2 Author catalogue K to Z - Field Museum of Natural History. (Field Museum of Natural History, 1939)

A bibliography of the northern and western corn rootworm : an update 1977 through 1988 - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1990)

Biltmore lectures on sylviculture - Oberholser, Harry C. (Harry Church), 1870 -1963 (Brandow Printing Co, 1907)

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

La biodiversidad en Campeche : estudio de Estado - Villalobos-Zapata, Guillermo Jorge (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2010)

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

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 la Ciudad de México - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2016)

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 Michoacán estudio de estado 2 - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2019)

La biodiversidad en Tabasco estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2019)

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, 1926)

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

Biological Evaluation of the Port Sonoma Project - Chan, Gordon L. (Kentfield, Calif. : College of Marin, 1974, 1974)

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

Biological notes - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1967)

Biological notes - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1975)

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

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 inventory, significant, sensitive and disturbance features of the Whaleback area - Geowest Environmental Consultants Ltd. (GEOWEST Environmental Consultants Ltd, 1997)

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)

Bird and small mammal populations in a grazed and ungrazed riparian habitat in Idaho - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1990)

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)

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 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. 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 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,, 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, 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 Co, 1900)

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, 1897)

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, 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 and company, 1898)

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

Bird life of North Carolina's Shining Rock Wilderness - North Carolina Biological Survey. ([North Carolina Biological Survey, N.C. State Museum of Natural Sciences], 1994)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1908)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1918)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1917)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1899)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1922)

Bird migration in the Mississippi Valley - Widmann, Otto (The American Field, 1883)

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 (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 - Burroughs, John, 1837 -1921 (Doubleday & McClure Co, 1897)