The naturalist of the Saint Croix. Memoir of George A. Boardman - Boardman, Samuel Lane, 1836 -1914 (Priv. print, 1903)

The naturalist's guide in collecting and preserving objects of natural history, with a complete catalogue of the birds of the eastern Massachusetts - Maynard, C. J. (Charles Johnson), 1845 -1929 (James R. Osgood & Co, 1873)

The naturalist's guide in collecting and preserving objects of natural history : with a complete catalogue of the birds of eastern Massachusetts - Maynard, C. J. (Charles Johnson), 1845 -1929 (The Naturalists' Agency, 1877)

The naturalist's guide in collecting and preserving objects of natural history, with a complete catalogue of the birds of the eastern Massachusetts - Maynard, C. J. (Charles Johnson), 1845 -1929 (Fields, Osgood & co, 1870)

The naturalist's guide in collecting and preserving objects of natural history : with a complete catalogue of the birds of eastern Massachusetts - Maynard, C. J. (Charles Johnson), 1845 -1929 (S.E. Cassino & Co, 1883)

The naturalist's guide in collecting and preserving objects of natural history : with a complete catalogue of the birds of Massachusetts - Maynard, C. J. (Charles Johnson), 1845 -1929 (C. J. Maynard and Company, 1881)

The naturalist's guide in collecting and preserving objects of natural history : with a complete catalogue of the birds of the eastern Massachusetts - Maynard, C. J. (Charles Johnson), 1845 -1929 (S.E. Cassino, 1877)

The naturalist's library - Lizars, W. H. 1788 -1859 (W. H. Lizars; [etc., etc.], 1860)

A naturalist's ramble to the Orcades - Crichton, A. W. (Arthur William) (J. Van Voorst, 1866)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1882)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1874)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1902)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1899)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1907)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1908)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1909)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 2010)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1875)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1876)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1880)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1883)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1885)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1887)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1888)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1897)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1915)

Nature in Acadie - Swann, H. Kirke (Harry Kirke), 1871 -1926 (John Bale, 1895)

Nature in Acadie - Swann, H. Kirke (Harry Kirke), 1871 -1926 (J. Bale, 1895)

Nature lovers library (University Society Inc, 1923)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1908)

Naturgeschichte der deutschen Schwimmvögel für Landwirte, Jäger, Liebhaber und Naturfreunde - Floericke, Kurt, 1869 -1934 (Creutz'sche Verlagsbuchhandlung, 1898)

Naturgeschichte der Vögel Mitteleuropas - Naumann, Johann Andreas, 1747 -1826 (F. E. Köhler, 1905)

Naturgeschichte der Vögel Mitteleuropas - Naumann, Johann Andreas, 1747 -1826 (F. E. Köhler, 1902)

Naturgeschichte der Vögel Mitteleuropas - Naumann, Johann Andreas, 1747 -1826 (F. E. Köhler, 1903)

Naturgeschichte der Vögel Mitteleuropas - Hennicke, Carl R., 1865 -1941 (F.E. Köhler, 1905)

Naturgeschichte der Vögel Mitteleuropas - Hennicke, Carl R., 1865 -1941 (F.E. Köhler, 1902)

Naturgeschichte der Vögel Mitteleuropas - Hennicke, Carl R., 1865 -1941 (F.E. Köhler, 1903)

Naturhistoriske bidrag til en beskrivelse af Grønland - Reinhardt, J. (Johannes), 1816 -1882 (L. Kleins bogtrykkeri, 1857)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1895)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1900)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1909)

Naturwissenschaftlicher Beobachter (Zoologische Gesellschaft [etc.], 1860)

Naumannia : Archiv für die Ornithologie Vorzugsweise Europa's : Organ der Deutsche Ornithologen-Gesellschaft - Deutsche Ornithologen-Gesellschaft (1851)

Naumannia : Archiv für die Ornithologie Vorzugsweise Europa's : Organ der Deutsche Ornithologen-Gesellschaft - Deutsche Ornithologen-Gesellschaft (1854)

Naumannia : Archiv für die Ornithologie Vorzugsweise Europa's : Organ der Deutsche Ornithologen-Gesellschaft - Deutsche Ornithologen-Gesellschaft (1855)

Naumannia : Archiv für die Ornithologie Vorzugsweise Europa's : Organ der Deutsche Ornithologen-Gesellschaft - Deutsche Ornithologen-Gesellschaft (1856)

The nests and eggs of British birds : when and where to find them : being a handbook to the oology of the British Islands - Dixon, Charles, 1858 -1926 (Chapman and Hall, 1894)

The nests and eggs of British birds; when and where to find them, being a handbook to the oology of the British Islands - Dixon, Charles, 1858 -1926 (Chapman and Hall, Limited, 1893)

Nests and eggs of North American birds - Davie, Oliver, 1857 -1911 (Hann & Adair, 1889)

Nests and eggs of North American birds - Davie, Oliver, 1857 -1911 (D. McKay, 1900)

Nests and eggs of North American birds - Davie, Oliver, 1857 -1911 (Landon Press, 1898)

The new Canadian bird book for school and home - MacClement, W. T. (William Thomas), 1861 - (Dominion Book Co, 1914)

New England bird life; being a manual of New England ornithology: rev.and ed. from the manuscript of Winfrid A. Stearns - 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)

The new natural history - Lydekker, Richard, 1849 -1915 (Merrill, 1901)

New studies of tropical American birds - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1981)

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

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

Norsk ornithologisk tidsskrift (1920)

Norsk ornitologisk ekskursjonsfauna : kort beskrivelse af de i Norge iagttagne arter fugle - Stejneger, Leonhard, 1851 -1943 (Forlagt af Alb. Cammermeyer, 1873)

North American birds eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Dover Pub, 1965)

North American birds eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & company, 1904)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1895)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1899)

Nos oiseaux - Société romande pour l'étude et la protection des oiseaux. (Soci romande pour l'de et la protection des oiseaux, 1920)

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

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1893)

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

Notes on the birds of Northamptonshire and neighbourhood - Thorburn, Archibald, 1860 -1935 (Porter, 1895)

Nouveau recueil de planches coloriées d'oiseaux : pour servir de suite et de complément aux planches enluminées de Buffon, édition in-folio et in-4⁰ de l'Imprimerie royale, 1770 - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (Chez Legras Imbert et Comp, 1838)

Nouvelles suites à Buffon (Roret, 1844)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1901)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1905)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1920)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1928)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1855)

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

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1877)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1880)

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

Observations in natural history : with an introduction on habits of observing, as connected with the study of that science ; also a calendar of periodic phenomena in natural history ; with remarks on the importance of such registers - Jenyns, Leonard, 1800 -1893 (John van Voorst, 1846)

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)

The ocean - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1860)

The ocean - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1880)

Ocean birds - Green, Joseph F. (R. H. Porter, 1887)

The ocean - Gosse, Philip Henry, 1810 -1888 (Society for promoting Christian knowledge, 1845)

Oceanic birds of South America : a study of species of the related coasts and seas, including the American quadrant of Antarctica, based upon the Brewster-Sanford collection in the American Museum of Natural History - Jaques, Francis Lee, 1887 -1969 (Macmillan Co, 1936)

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)

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, 1863)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1876)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1879)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1933)