New England bird life: being a manual of New England ornithology - Coues, Elliott, 1842 -1899 (Lee and Shepard, 1883)

New England bird life: being a manual of New England ornithology - Coues, Elliott, 1842 -1899 (Lee and Shepard, 1881)

Newfoundland birds : exploitation, study, conservation - Montevecchi, William A (Nuttall Ornithological Club, 1987)

Nitzsch's Pterylography, tr. from the German - Ray Society. (Pub. for the Ray society by R. Hardwicke, 1867)

Nomenclature of North American birds chiefly contained in the United States National Museum - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1881)

Nordens Fåglar - Jägerskiöld, Leonard A., 1867 -1945 (F. & G. Beijers, 1898)

Norfolk natterjack - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists Society, 2011)

Norges pattedyr - Collett, Robert, 1842 -1913 (H. Aschehoug & Co. (W. Nygaard), 1911)

Norges pattedyr - Collett, Robert, 1842 -1913 (H. Aschehoug & Co. (W. Nygaard), 1912)

Norsk ornithologisk tidsskrift (1920)

Notebooks of William Brewster - Brewster, William, 1851 -1919 (1883)

Notes on the birds of Herefordshire - Bull, Henry Graves, 1818 -1885 (port, 1888)

Notices of the Proceedings at the meetings of the members of the Royal Institution - Royal Institution of Great Britain. (1858)

Nouveau dictionnaire d'histoire naturelle appliquée aux arts : principalement à l'agriculture et à l'économie rurale et domestique - Imprimerie de Crapelet (Paris, France) (Chez Deterville, 1803)

Nouveau dictionnaire d'histoire naturelle, appliquée aux arts, à l'agriculture, à l'économie rurale et domestique, à la médecine, etc (Chez Deterville, 1816)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1901)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1902)

Nuovi annali delle scienze naturali (1847)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1838)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1864)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1868)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1893)

Observations of the naturalhistory of the swallowtribe : with collateral statement of facts relative to their migration, and to their brvmal torpidity : and a copivs table of reference to avthors : illustrated by figures of five species, engraved on wood, by Willis : to which is added, A general catalogue of British birds, with the provincial names for each, &c. &c. &c - Forster, T. (Thomas), 1789 -1860 (Printed for T. and G. Underwood ..., Baldwin, Craddock, and Joy, 1817)

Occasional papers - Boston Society of Natural History. (1904)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1904)

Odontornithes : a monograph on the extinct toothed birds of North America with thirty-four plates and forty woodcuts - Marsh, Othniel Charles, 1831 -1899 (G.P.O, 1880)

Odontornithes: a monograph on the extinct toothed birds of North America; with thirty-four plates and forty woodcuts - Marsh, Othniel Charles, 1831 -1899 (Govt. print. off, 1880)

Oeffentliche Anstalten für Naturgeschichte und Alterthumskunde in Holland und dem nordwestlichsten Theile von Deutschland. Reiseskizze vorgetragen im Verein für Naturwissenschaft zu Braunschweig im December 1879 - Blasius, Wilhelm, 1845 -1912 (1880)

Œuvres complètes de Buffon avec la nomenclature Linnéenne et la classification de Cuvier - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (1853)

Official lists and indexes of names and works in zoology - International Commission on Zoological Nomenclature (ICZN, 1987)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1848)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1850)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1861)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1862)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1863)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1864)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1874)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1967)

Les oiseaux d'Europe, tableaux synoptiques - Paris, Paul, 1875 -1938. (L. Laveur, 1906)

Les oiseaux de l'Europe et leurs oeufs, décrits et dessinés dáprès nature - Dubois, Alphonse, 1839 -1921. (Chez C. Muquardt, 1872)

Les oiseaux du Canada - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (P. G. Delisle, 1883)

Les oiseaux du Canada - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (s.n.], 1883)

Les oiseaux - Perrier, Edmond, 1844 -1921 (J.B. Bailli, 1904)

Oiseaux - Fédération des sociétés françaises de sciences naturelles. Office central de faunistique. (P. Lechevalier, 1921)

Oiseaux voyageurs et poissons de passage. Étude comparée d'organisme, de moeurs et d'instinct - Berthelot, Sabin, 1794 -1880 (Challamel aîné, 1875)

Old bones : or, Notes for young naturalists - Brooks, Vincent, 1815? -1885 (Robert Hardwicke, 1861)

Old bones : or, Notes for young naturalists, on vertbebrate animals, their fossil predecessors and allies - Symonds, W. S. 1818 -1887 (Robert Hardwicke, 1864)

On the anatomy of vertebrates - Owen, Richard, 1804 -1892 (Longmans, Green, 1866)

On the anatomy of vertebrates ... - Owen, Richard, 1804 -1892 (Longmans, Green and Co, 1866)

On the classification and geographical distribution of the Mammalia, being a lecture on Sir Robert Reade's foundation, delivered before the University of Cambridge ... May 10, 1859. To which is added an appendix "On the gorilla," and "On the extinction and transmutation of species." - Owen, Richard, 1804 -1892 (J. W. Parker and son, 1859)

On the morphology of the duck and the auk tribes - Parker, William Kitchen William Kitchen Parker 1823 -1890 (s.n.], 1890)

On the zoology of ancient Europe; a paper read before the Cambridge Philosophical Society, on Monday, 31st March, 1862 - Newton, Alfred, 1829 -1907 (Macmillan, 1862)

The oölogist (J.M. Wade, 1876)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank Haak), 1861 -1937 (Frank H. Lattin, 1888)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank Haak), 1861 -1937 (Frank H. Lattin, 1895)

The oologists' hand-book : 1885 catalogue of American birds' eggs, and oological supplies, with prices at which they may be obtained of - Lattin, Frank H. (Frank Haak), 1861 -1937 (John P. Smith, Printer, 1885)

Ootheca Wolleyana: an illustrated catalogue of the collection of birds' eggs - Newton, Alfred, 1829 -1907 (sold by R. H. Porter, 1902)

Ootheca Wolleyana: an illustrated catalogue of the collection of birds' eggs - Newton, Alfred, 1829 -1907 (sold by R. H. Porter, 1907)

Ootheca Wolleyana: an illustrated catalogue of the collection of birds' eggs - Newton, Alfred, 1829 -1907 (sold by R. H. Porter, 1905)

Opuscula ornithologica : notis et addendis, mss - Coues, Elliott, 1842 -1899 (1861)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1886)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1887)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1898)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1899)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1905)

Ornithologia Svecica - Nilsson, Sven, 1787 -1883 (Apud J.H. Schubothium, 1821)

Ornithological bibliography - Coues, Elliott, 1842 -1899 (Geological Survey [etc.], 1878)

Ornithological biography, or an account of the habits of the birds of the United States of America ; accompanied by descriptions of the objects represented in the work entitled The Birds of America, and interspersed with delineations of American scenery and manners - Audubon, John James, 1785 -1851 (Adam Black, 1838)

Ornithological dictionary of British birds - Rennie, James, 1787 -1867 (Hurst, Chance, 1831)

Ornithological dictionary of British birds - Rennie, James, 1787 -1867 (W. S. Orr & W. Smith, 1833)

Ornithological miscellany - Mintern Bros., (Trübner and Co., Bernard Quaritch, R.H. Porter, 1876)

Ornithological miscellany - Mintern Bros., (Trübner and Co., Bernard Quaritch, R.H. Porter, 1877)

Ornithologie européenne, ou, Catalogue descriptif, analytique et raisonné des oiseaux observés en Europe - Gerbe, Zéphirin, 1810 -1890 (J.B. Bailli, 1867)

Ornithologie, ou, Méthode contenant la division des oiseaux en ordres, sections, genres, especes & leurs variétés : a laquelle on a joint une description exacte de chaque espece, avec les citations des auteurs qui en ont traité, les noms quils leur ont donnés, ceux que leur ont donnés les différentes nations, & les noms vulgaires - Martinet, François Nicolas, 1731 -1800 (Ad Ripam Augustinorum, apud Cl. Joannem-Baptistam Bauche, bibliopolam, ad Insigne S. Genovesae, & S. Joannis in Deserto, 1760)

Der Ornithologische Beobachter - Ala, Schweizerische Gesellschaft für Vogelkunde und Vogelschutz. (Ala, Schweizerische Gesellschaft für Vogelkunde und Vogelschutz, 1911)

Der Ornithologische Beobachter - Ala, Schweizerische Gesellschaft für Vogelkunde und Vogelschutz. (Ala, Schweizerische Gesellschaft für Vogelkunde und Vogelschutz, 1915)

Ornithologische Briefe : Bla¨tter der Erinnerung an seine Freunde - Homeyer, Eugen Ferdinand von, 1809 -1889 (T. Grieben, 1881)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1894)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1895)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1896)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1898)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1899)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1900)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1893)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1904)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1907)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1909)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1912)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1913)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1914)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1890)