Our living world; an artistic edition of the Rev. J. G. Wood's Natural history of animate creation - Wood, J. G. (John George), 1827 -1889 (S. Hess, 1885)

Our migrant birds and how to know them - Elms, E. F. M. (Thornton Butterworth, 1922)

Our northern and eastern birds : containing descriptions of the birds of the northern and eastern states and British provinces; together with a history of their habits, times of arrival and departure, their distribution, food, song, time of breeding, and a careful and accurate description of their nests and eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (R. Worthington, 1883)

Our northern and eastern birds. Containing descriptions of the birds of the northern and eastern states and British provinces; together with a history of their habits, times of arrival and departure, their distribution, food, song, time of breeding, and a careful and accurate description of their nests and eggs ... - Samuels, Edward A. (Edward Augustus), 1836 -1908 (R. Worthington, 1883)

Our northern and eastern birds containing descriptions of the birds of the northern and eastern states and British provinces, together with a history of their habits, times of arrival and departure, their distribution, food, song, time of breeding, and a careful and accurate description of their nests and eggs ; with illustrations of many species of the birds and accurate figures of their eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (R. Worthington, 1883)

Outlines of the natural history of Great Britain and Ireland, containing a systematic arrangement and concise description of all the animals, vegetables and fossiles which have hitherto been discovered in these kingdoms - Berkenhout, John, 1730 -1791 (Printed for P. Elmsly (Successor to Mr. Vaillant), 1769)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1909)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1902)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1913)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1912)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1914)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1917)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1921)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1943)

Papers and communications read before the Natural History Society of British Columbia - Natural History Society of British Columbia. (Natural History Society of British Columbia?], 1891)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1868)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1863)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1900)

Papers from the Hopkins-Stanford Galapagos expedition, 1898-1899 - Hopkins-Stanford Galapagos Expedition, 1898-99. (The Academy, 1901)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1915)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1916)

Part I. Palæontology - Hall, James, 1811 -1898 (Govt. print. off, 1877)

A partial list of the birds of St. Louis and Lake Counties, Minn - Roberts, Thomas S. (Thomas Sadler), 1858 -1946 (1880)

P.D. Skaar's Montana bird distribution - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2012)

P.D. Skaar's Montana bird distribution - Bergeron, Dwight. (Montana Natural Heritage Program, 1992)

P.D. Skaar's Montana bird distribution - Skaar, Palmer David. (Montana Natural Heritage Program, 2003)

P.D. Skaar's Montana bird distribution - Skaar, Palmer David. (Montana Natural Heritage Program, 1996)

Pennsylvania bird life; a manual of the birds of Pennsylvania; treating especially of their food, from examinations of several thousand stomachs, made during all seasons of the year, with descriptions of the birds, their nests, eggs and habits - Warren, Benjamin Harry, 1858 -1926 (Penn'a., Pub by the author, 1892)

Perak Museum notes - Perak State Museum. (Perak G.P.O, 1898)

Perechen ptitz rossii skoi imperii Conspectus avium Imperii Rossici - Bogdanov, Modest Nikolaevich, 1841 -1888 (Commissionaires de l'Académie Impériale des Sciences, 1884)

Philippine birds - Du Pont, John E. (John Eleuthère), 1938 -2010 ([Delaware Museum of Natural History], 1971)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 1989)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 1995)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 2003)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 2005)

Phytoneuron (Guy L. Nesom, 2012)

The pictorial museum of animated nature ... - Knight, Charles, 1791 -1873 (C. Knight, 1844)

The pictorial museum of animated nature - Knight, Charles, 1791 -1873 (C. Cox, 1844)

Planches coloriees des oiseaux de la Belgique et de leurs oeufs - Dubois, Ch. F. (Charles Frédéric), 1804 -1867 (C. Muquardt, 1854)

The Pleistocene avifauna of the Talara tar seeps, northwestern Peru - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (1973)

Pleistocene birds of the palearctic : a catalogue - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1998)

A pocket-book of British birds - Elms, E. F. M. (West, Newman & co. [etc.], 1906)

Pocket key of the birds of the northern United States, east of the Rocky Mountains - Apgar, A. C. (Austin Craig), 1838 -1908 (J.L. Murphy Pub. Co., Printers, 1893)

A popular handbook of the birds of Canada and the United States - Nuttall, Thomas, 1786 -1859 (Musson Book Co, 1907)

A popular handbook of the birds of Canada and the United States - Nuttall, Thomas, 1786 -1859 (Musson Book Co, 1903)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1903)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1905)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1921)

A popular handbook of the birds of the United States and Canada - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1919)

A popular handbook of the ornithology of eastern North America - Nuttall, Thomas, 1786 -1859 (Little, Brown, 1891)

A popular Handbook of the Ornithology of Eastern North America - Nuttall, Thomas, 1786 -1859 (Truslove and Hanson, 1894)

A popular handbook of the ornithology of eastern North America - Nuttall, Thomas, 1786 -1859 (Little, Brown, and Company, 1896)

A popular handbook of the ornithology of eastern North America - Nuttall, Thomas, 1786 -1859 (Little, Brown, and Company, 1897)

A popular handbook of the ornithology of the United States and Canada, based on Nuttall's Manual - Nuttall, Thomas, 1786 -1859 (Little, Brown, and Company, 1891)

Popular natural history : a description of animal life, from the lowest forms up to man - Kingsley, J. S. (John Sterling), 1854 -1929 (Estes & Lauriat, 1890)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1888)

Popular science news, formerly Boston journal of chemistry. A popular illustrated monthly devoted to the progress in zoology, botany, mineralogy, archaeology, hygiene, invention, with related physical sciences and general scientific information - Agassiz Association. (J.R. Nichols & co. [etc.], 1866)

Population study of western grebes in Alberta 2001-2009 : implications for management and status designation - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, 2010)

Portraits and habits of our birds - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (National association of Audubon societies, 1921)

Portraits and habits of our birds - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (National Association of Audubon Societies, 1925)

Potential wildlife-highway interactions at select mile-markers along Montana Department of Transportation routes an ArcView GIS analysis - Irby, Lynn R. (Fish and Wildlife Management Program, Montana State University, 2001)

A practical handbook of British birds - Witherby, H. F. (Harry Forbes), 1873 -1944 (Witherby, 1924)

Praktische Naturgeschichte der Vögel, für Gebildete aller Stände - Reichenbach, A. B. (Anton Benedikt), 1807 -1880 (1850)

A preliminary catalog of the birds of Missouri - Widmann, Otto (Academy of Science of St. Louis, 1907)

A preliminary catalog of the birds of Missouri - Widmann, Otto (Academy of Sciences of St. Louis?, 1907)

A preliminary catalogue of the flowering plants and higher cryptogams growing without cultivation within thirty miles of Hanover, N.H., to which is appended a list of the vertebrates of the same region - Jesup, Henry G. (Henry Griswold), 1826 -1903 (N.A. McClary, 1882)