Ornithologisches Jahrbuch (V. Tschusi, 1905)

Ornithologisches Jahrbuch (V. Tschusi, 1906)

Ornithologisches Jahrbuch (V. Tschusi, 1907)

Ornithologisches Jahrbuch (V. Tschusi, 1908)

Ornithologisches Jahrbuch (V. Tschusi, 1909)

Ornithologisches Jahrbuch (V. Tschusi, 1910)

Ornithologisches Jahrbuch (V. Tschusi, 1911)

Ornithologisches Jahrbuch (V. Tschusi, 1912)

Ornithologisches Jahrbuch (V. Tschusi, 1913)

Ornithologisches Jahrbuch (V. Tschusi, 1914)

Ornithologisches Jahrbuch (V. Tschusi, 1915)

Ornithologisches Jahrbuch (V. Tschusi, 1917)

Ornithologisches Taschenbuch für Preussen oder; Beschreibung der in Preussen und den unliegenden Gegenden vorkommenden Vogel für Jager, Jagdliehaber und Naturforcher - Ebel, Carl L. (Rosbachschen Buchdruckerei, 1823)

Ornithologisches Taschenbuch von und für Deutschland, oder, Kurze Beschreibung aller Vögel Deutschlands für Liebhaber dieses Theils der Naturgeschichte - Bechstein, Johann Matthäus, 1757 -1822 (Carl Friedrich Enoch Richter, 1803)

Ornithologiske bemaerkninger til Norges fauna ... (Indberetning til det Academiske collegium ved det Kongelige Frederiks universitet - Collett, Robert, 1842 -1913 (J. Dahl, 1871)

Ornithologiske bidrag til Danmarks fauna - Collin, Jonas, 1840 -1905 (1877)

Ornithologiske Bidrag til Faerøernes Favna - Holm, Peter Alberg. (1848)

The Ornithologist; a magazine of ornithology and oölogy. First series - Swann, H. Kirke (Harry Kirke), 1871 -1926 (John Bale & Sons, 1896)

The Ornithologist and oölogist (1882)

Ornithology - Jardine, William, 1800 -1874 (W.H. Lizars, 1853)

Ornithology and oo¨logy of New England: containing full descriptions of the birds of New England, and adjoining states and provinces - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Nichols and Noyes, 1867)

Ornithology and oölogy of New England: containing full descriptions of the birds of New England, and adjoining states and provinces ... - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Nichols and Noyes, 1867)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H.W. Rokker, printer, 1889)

The ornithology of Illinois. Part I. Descriptive catalogue - Ridgway, Robert, 1850 -1929 (H. W. Rokker, Printer, 1889)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H. W. Rokker, printer, 1889)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H.W. Rokker, printer, 1913)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H.W. Rokker, printer, 1885)

The ornithology of the Straits of Gibraltar - Irby, L. Howard (Leonard Howard Lloyd), 1836 -1905 (R.H. Porter, 1895)

The ornithology of the Straits of Gibraltar - Irby, L. Howard (Leonard Howard Lloyd), 1836 -1905 (R.H. Porter, 1875)

Ornithology : the natural history of birds : third-book of natural history prepared for the use of schools and colleges - Comté, Achille, 1802 -1866 (Turner & Fisher, publishers, 1842)

Ornitologia della Papuasia e delle Molucche - Salvadori, Tommaso, 1835 -1923 (G.B. Paravia, 1880)

Ornitologia italiana : opera postuma - Savi, Paul, 1798 -1871 (Successori Le Monnier, 1873)

Ornitologia siciliana : o sia catalogo ragionato degli uccelli che si trovano in Sicilia - Benoit, Luigi, 1804 -1890 (Giuseppe Fiumara, 1840)

Ornitologia toscana; ossia, Descrizione e storia degli uccelli che trovansi nella Toscana, con l'aggiunta della descrizioni di tutti gli altri proprj al rimanente d'Italia - Savi, Paul, 1798 -1871 (Dalla tipografia Nistri, 1827)

L'Ornitologo Ticinese ossia manuale descrittivo gli Uccelli di stazione e di passaggio nel Cantone Ticino, &c - Riva, Antonio. (1865)

The Osprey (The Osprey Co, 1899)

Osteologia avium, or, A sketch of the osteology of birds - Brooks, Vincent, 1815? -1885 (Published by R. Hobson, Wellington, Salop, 1867)

Osteologia avium : or a sketch of the osteology of birds - Eyton, T. C. (Thomas Campbell), 1809 -1880 (Salop, R. Hobson)

Osteological studies of the subfamily of Ardeinae. Pt. 1, 2 - Shufeldt, Robert Wilson 1850 -1934 (1889)

Die österreichische Polarstation Jan Mayen, ausgerüstet durch Graf Hanns Wilczek, geleitet vom Emil Edlen von Wohlgemuth. Beobachtungs-Ergebnisse, hrsg. von der Kaiserlichen Akademie der Wissenschaften - International Polar Expedition 1882 -1883 (In Commission bei K. Gerold's Sohn, 1886)

Our country's birds and how to know them. A guide to all the birds of Great Britain - Gordon, W. J. (Simpkin, Marshall, Hamilton, Kent, 1892)

Our feathered families: game and water birds; being an anecdotal and descriptive account of the feathered game and wild fowl, with their allied species, found in Great Britain, to which is added a practical chapter on doves and pigeons - Adams, H. G. (Henry Gardiner), 1811 or 12 -1881 (J. Hogg and Sons, 1863)

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 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 rarer birds : being studies in ornithology & oology - Dixon, Charles, 1858 -1926 (Bentley, 1888)

Our rarer birds, being studies in ornithology & oology - Dixon, Charles, 1858 -1926 (R. Bentley, 1888)

Our resident birds and how to know them - Elms, E. F. M. (T. Butterworth, 1921)

Ouresiphoitēs Helveticus, sive, Itinera per Helvetiae Alpinas regiones facta annis MDCCII, MDCCIII, MDCCIV, MDCCV, MDCCVI, MDCCVII, MDCCIX, MDCCX, MDCCXI : plurimis tabulis aeneis illustrata - Scheuchzer, Johann Jakob, 1672 -1733 (Typis ac sumptibus Petri Vander Aa, 1723)

Outlines of creation - Noyce, Elisha. (Ward & Lock, 1858)

Oversigt af Christiania omegns ornithologiske fauna - Collett, Robert, 1842 -1913 (J. Dahl, 1864)

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1859)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1919)

Pacific seabirds : a publication of the Pacific Seabird Group - Pacific Seabird Group. (The Group, 2006)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1888)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

Papers read before the Purbeck Society - Purbeck Society. (1856)

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

Parasitology (Cambridge University Press, 1920)

Des Pater Ludwig Feuillee, Ordensmönchen des Heil. Francisci von Paula, Königlichen Mathematici und Botanisten, wie auch Correspondentens der Königl. Academie der Wissenschaften, Beschreibung zur Arzeney dienlicher Pflanzen, welche in den Reichen des mittägigen America, in Peru und Chily vorzüglich im Gebrauch sind, : in dem Land selbst auf königl. Befehl, in den Jahren von 1709. 1710. und 1711. aufgesezet, nebst verschiedenen andern aus eben desselben Tageregister physischer Beobachtungen gesammelten und zur natürlichen Historie gehörigen Anmerkungen - Feuillée, Louis, 1660 -1732 (verlegts Johann Michael Seligmann, 1756)

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

Pesticides monitoring journal - United States. Chemical Information Division. (Technical Services Division, Office of Pesticide Programs, U.S. Environmental Protection Agency, 1973)

Pesticides monitoring journal - United States. Chemical Information Division. (Technical Services Division, Office of Pesticide Programs, U.S. Environmental Protection Agency, 1979)

Pfarrer P. Blasius Hanf als Ornitholog. Dargestellt vorzüglich auf Grundlage der Schriften desselben - Schaffer, Alexander. (Im Selbstverlag der Benediktiner-Abtei, 1904)

Die Pflanzen- und Thierwelt von Deli auf der Ostküste Sumatras : naturwissenschaftliche Skizzen und Beitrage - Hagen, B. (Bernhard), 1853 -1919 (E.J. Brill, 1890)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1912)

Die Pflanzenwelt Deutschlands; Lehrbuch der Formations- biologie. Eine Darstellung der Lebensgeschichte der wildwachsenden Pflanzenvereine und der Kulturflächen - Graebner, Paul, 1871 -1933 (Quelle & Meyer, 1909)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1921)

Philippi Conradi Fabricii ... Commentatio historico-physico-medica de animalibus quadrupedibus, avibus, amphibiis, piscibus et insectis Wetteraviae indigenis - Fabricius, Philipp Conrad, 1714 -1774 (Schnorrius, 1749)

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

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1916)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1918)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1700)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1812)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1840)

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

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1879)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 1996)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 2001)

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

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