Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1923)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1943)

Methodi naturalis avium disponendarum tentamen. Försök till fogelklassens naturenliga uppställnung - Sundevall, Carl J., 1801 -1875 (Samson & Wallin, 1872)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1971)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1974)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1989)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1890)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (1884)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1885)

Monatsschrift des Deutschen Vereins zum Schutze der Vogelwelt - Deutscher Verein zum Schutze der Vogelwelt. ([s.n.], 1882)

Monatsschrift des Deutschen Vereins zum Schutze der Vogelwelt - Deutscher Verein zum Schutze der Vogelwelt. ([s.n.], 1887)

The Museum (W.F. Webb, 1897)

Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt - Cabanis, Jean Louis, 1816 -1906 (In Commission bei R. Frantz, 1860)

Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt - Cabanis, Jean Louis, 1816 -1906 (In Commission bei R. Frantz, 1859)

The museum of natural history; being a popular account of the structure, habits, and classification of the various departments of the animal kingdom: quadrupeds, birds, reptiles, fishes, shells, and insects, including the insects destructive to agriculture - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (J. S. Virtue, 1877)

Museum paper - Geological Survey of Alabama. Museum. (1910)

Museum paper - Alabama Museum of Natural History. (Alabama Museum of Natural History, 1921)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1893)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1905)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong & co, 1872)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner & co, 1867)

Natural history of the Andrew Lake region, northeastern Alberta - Provincial Museum of Alberta. Natural History Section. (Provincial Museum of Alberta, 1990)

The natural history of the Toronto region, Ontario, Canada - Glenny, George, 1793 -1874 (Canadian Institute, 1913)

Natural history of the Tres Marias Islands, Mexico - Nelson, Edward William, 1855 -1934 (Govt. Print Off, 1899)

Natural history of the Tres Marias Islands, Mexico - Nelson, Edward William, 1855 -1934 (Government Printing Office, 1899)

Natural history of the Tres Marias Islands, Mexico - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. Print. Off, 1899)

Natural science : a monthly review of scientific progress (Macmillan and Company [etc.], 1894)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1871)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1877)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1887)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1891)

The naturalist in California - Cooper, J. G. (James Graham), 1830 -1902 (Peabody Academy of Science, 1869)

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

A naturalist on desert islands - Lowe, Percy Roycroft, 1870 - (Witherby & co, 1911)

The naturalist's assistant : a hand-book for the collector and student : with a bibliography of fifteen hundred works necessary for the systematic zoölogist - Kingsley, J. S. (John Sterling), 1854 -1929 (B. Whidden, 1892)

The naturalist's assistant; a hand-book for the collector and student, with bibliography of fifteen hundred works necessary for the systematic zoölogist - Kingsley, J. S. (John Sterling), 1854 -1929 (S. E. Cassino, 1882)

The naturalist's assistant: a hand-book for the collector and student - Kingsley, J. S. (John Sterling), 1854 -1929 (S. E. Cassino, 1882)

The naturalist's companion - Mercer, Berton. (E. Lamborn, 1889)

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)

Naturalist's guide to the Americas - Ecological Society of America. Committee on the Preservation of Natural Conditions. (Williams & Wilkins, 1926)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1870)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1871)

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.], 1891)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1892)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1912)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 1995)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 2000)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 2008)

Nel Darien e nell' Ecuador : risultati zoologici - Festa, Enrico, 1868 -1939 (s.n, 1906)

Nemouria; occasional papers of the Delaware Museum of Natural History - Delaware Museum of Natural History. (Delaware Museum of Natural History, 1975)

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)

Nests and eggs of North American birds : with a chapter on ornithological and oölogical collecting (the preparation of skins, nests and eggs for the cabinet) - Davie, Oliver, 1857 -1911 (Musson, 1900)

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)

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

New Mallophaga, 3. Comprising: Mallophaga from birds of Panama, Baja California and Alaska - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (California Academy of Sciences, 1899)

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

Nomenclator avium Musei zoologici berolinensis = Namenverzeichniss der in der zoologischen Sammlung der Königlichen Universität zu Berlin aufgestellten Arten von Vögeln nach den in der neueren Systematik am meisten zur Geltung gekommenen Namen der Gattungen und ihrer Unterabtheilungen - Zoologisches Museum in Berlin. (Gedruckt in der Buchdruckerei der Königlichen Akademie der Wissenschaften, 1854)

Nomenclator zoologicus : continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, adjectis auctoribus, libris, in quibus reperiuntur, anno editionis, etymologia et familiis, ad quas pertinent, in singulis classibus - Agassiz, Louis, 1807 -1873 (Jent et Gassmann, 1842)

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

Die Nordamerikanische Vogelwelt - Ridgway, Robert, 1850 -1929 (G. Brumber, 1891)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 1999)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2000)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2001)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2002)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2003)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2004)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2006)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2007)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2008)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2009)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2010)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2011)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2012)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2013)

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, 1893)

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)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 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, 1910)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1947)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1958)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1975)

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

Notes on a collection of birds from Michoacan, Mexico - Blake, Emmet Reid, 1908 -1997 (1942)

Notes on various Florida birds - Howe, Reginald Heber, Jr. 1875 -1932 (1902)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1895)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1898)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1899)

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