Palearctic Migratory Bird Survey, survey records, 1966-1973 : Israel banding information (B-4308 to B-4927), Fall 1968, PMS banding forms - National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey (1968)

Palearctic Migratory Bird Survey, survey records, 1966-1973 : Egypt specimens (2910 to 3100), 1967 - National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey (1967)

Palearctic Migratory Bird Survey, survey records, 1966-1973 : skeletons numeric list (1966)

Palearctic Migratory Bird Survey, survey records, 1966-1973 : Egypt specimens (5480 to 6070), 1968, PMS laboratory forms - National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey (1968)

Palearctic Migratory Bird Survey, survey records, 1966-1973 : Egypt specimens (3101 to 3500), 1967 - National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey (1967)

Palearctic Migratory Bird Survey, survey records, 1966-1973 : Egypt specimens (3501 to 4000), 1967 - National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey (1967)

Palearctic Migratory Bird Survey, survey records, 1966-1973 : Israel banding information (A-10730 to A-16286), Fall 1968, PMS banding forms - National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey (1968)

Palestine Exploration Fund : quarterly statement - Palestine Exploration Fund. (The Fund, 1888)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1916)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1944)

Parasitology (Cambridge University Press, 1922)

Pássaros do Brasil (vida e costumes) - Santos, Eurico (F. Briguiet & Cia, 1940)

The passerine birds of Ceylon - Wait, W. E. (Walter Ernest), 1878 - (s.n, 1922)

Pehr Kalms Resa till Norra Amerika - Kalm, Pehr, 1716 -1779 (Tidnings & tryckeri-aktiebolagets tryckeri, 1904)

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)

Pepacton - Burroughs, John, 1837 -1921 (Houghton Mifflin company, 1909)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

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

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1866)

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

The Phoenix - Jennings, Michael C. (M.C. Jennings, 1991)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 1997)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 2000)

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

The Phoenix - Jennings, Michael C. (M.C. Jennings, 2004)

Photoperiodism and related phenomena in plants and animals; proceedings - Withrow, Robert B. 1904 -1958 (1959)

Physiology of the temperature of birds - Baldwin, Samuel Prentiss, 1868 -1938 (Cleveland Museum of Natural History, 1932)

Phytoneuron (Guy L. Nesom, 2013)

Pictures of bird life in pen and pencil - Watkins, M. G. (Morgan George),‏ ‎ 1835 - (Cassell, Petter, Galpin, 1882)

Die Pilze (Fungi) von Tirol, Vorarlberg und Liechtenstein - Magnus, P. (Paul), 1844 -1914 (Verlag der Wagner'schen Universitts-Buchh, 1905)

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

Planches coloriees des oiseaux de la Belgique et de leurs oeufs - Dubois, Ch. F. (Charles Frédéric), 1804 -1867 (C. Muquardt, 1857)

Plantae Europeae.Enumeratio systematica et synonymica plantarum phaenerogamicarum in Europa sponte crescentium vel mere inquilinarum - Richter, Karl, 1855 -1891 (W. Engelmann, 1890)

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 guide to the common land birds of New England - Willcox, M. A. (Mary Alice), 1856 -1953 (Lee and Shepard, 1895)

Les poissons des eaux douces de la France : anatomie, physiologie, description des espèces, mŒurs, instincts, industrie, commerce, ressources alimentaires, pisciculture, législation concernant la pêche - Blanchard, Emile, 1819 -1900 (Bailli©·re, 1866)

Les poissons des eaux douces de la France : anatomie, physiologie, description des espèces, murs, instincts, industrie, commerce, ressources alimentaires, pisciculture, législation concernant la pêche - Blanchard, Emile, 1819 -1900 (Baillière, 1866)

Les poissons des eaux douces de la France; anatomie–physiologie–description des espèces–moeurs–instincts–industrie–commerce–resources alimentaires–pisciculture–législation concernant la pêche - Blanchard, Emile, 1819 -1900 (J. B. Baillière et fils, 1880)

Les poissons : synonymie–description–mœurs–frai–pêche–iconographie, des espèces composant plus particulièrement la faune française - Boulart, R. (Raoul), 1849 -1901 (J. Rothschild, 1877)

The Popular educator: a complete encyclopaedia of elementary, advanced and technical education (Cassell, 1888)

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

Popular Scripture zoology, containing a familiar history of the animals mentioned in the Bible - Catlow, Maria E. (Reeve, 1852)

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

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1958)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1987)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1884)

A practical handbook of British birds - Witherby, H. F. (Harry Forbes), 1873 -1944 (Witherby, 1920)

A practical handbook of British birds - Witherby, H. F. (Harry Forbes), 1873 -1944 (Witherby, 1919)

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

The practical value of birds - Henderson, Junius, 1865 -1937 (1913)

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 list of the birds found in Vermont - Perkins, George H. (George Henry), 1844 -1933 (Wynkoop Hallenbeck Crawford Co, 1901)

A preliminary list of the birds of Wayne County, Ohio - Oberholser, Harry C. (Harry Church), 1870 -1963 (Westbote Co., State Printers, 1896)

Die preussische expedition nach Ost-Asien : nach amtlichen quellen. V. 1, Zoologischer theil - Martens, Eduard von, 1831 -1904 (R. v. Decker, 1876)

Primo resoconto dei risultati della inchiesta ornitologica in Italia ... - Giglioli, Enrico Hillyer, 1845 -1909 (Coi tipi dei successori Le Monnier, 1889)