Measurements of birds - Oberholser, Harry C. (Harry Church), 1870 -1963 (1931)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1887)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1893)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1905)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1906)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1932)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1869)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1887)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1911)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1916)

Men I have fished with; sketches of characters and incidents with rod and gun, from childhood to manhood, from the killing of little fishes and birds to a buffalo hunt - Mather, Fred, 1833 -1900 (Forest and stream publishing co, 1897)

Men I have fished with; sketches of characters and incidents with rod and gun, from childhood to manhood, from the killing of little fishes and birds to a buffalo hunt - Mather, Fred, 1833 -1900 (Forest and Stream Pub. Co, 1897)

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

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

mian xiang 21 shi ji de zhong guo sheng wu duo yang xing bao hu - Xu, Zhihong (zhong guo lin ye chu ban she, 2000)

Michigan bird life, a list of all the bird species known to occur in the state together with an outline of their classification and an account of the life history of each species, wtih special reference to its relation to agriculture - Barrows, Walter Bradford, 1855 -1923 (Michigan Agricultural College, 1912)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1935)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1938)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

The Mitigation Symposium : a National Workshop on Mitigating Losses of Fish and Wildlife Habitats, July 16-20, 1979, Colorado State University, Fort Collins, Colorado - Swanson, Gustav Adolph, 1910 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, 1979)

A monograph of the existing crinoids - Clark, Austin Hobart, 1880 -1954 (Govt. Print. Off, 1921)

A monograph of the existing crinoids - Clark, Austin Hobart, 1880 -1954 (Govt. Print. Off, 1931)

A monograph of the existing crinoids - Clark, Austin Hobart, 1880 -1954 (Govt. Print. Off, 1950)

A monograph of the Odontophorinæ, or, Partridges of America - Gould, John 1804 -1881 (Printed by Richard and John E. Taylor, 1850)

A monograph of the Tetraoninae, or, Family of the grouse - Baird, Spencer Fullerton, 1823 -1887 (Published by the author, 1865)

Montana wildlife - Montana. Dept. of Fish; Game. Information-Education Division. (The Division, 1953)

Mrs. Loudon's Entertaining naturalist, being popular descriptors, tales, and anecdotes of more than five hundred animals - Dallas, W. S. (William Sweetland), 1824 -1890 (Bell & Daldy, 1867)

Musée ornithologique illustré : description des oiseaux d'Europe, de leurs oeufs et de leurs nids - Des Murs, Marc Athanase Parfait Œillet, 1804 -1889 (J. Rothschild, éditeur, 13, rue des Saints-Pères, 13, 1886)

The Museum (W.F. Webb, 1896)

Museum bulletin - New York State Museum. (University of the State of New York, 1909)

My friend the partridge; memories of New England shooting, by S. T. Hammond ("Shadow") - Grinnell, George Bird, 1849 -1938 (Forest and Stream Pub. Co, 1908)

Names and portraits of birds which interest gunners, with descriptions in languages understanded of the people - Trumbull, Gurdon, 1841 -1903 (Harper, 1888)

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

Natural history - Bernard, Henry Meyners, 1853 -1909 (D. Appleton and company, 1897)

Natural history - Lydekker, Richard, 1849 -1915 (Hutchinson, 1897)

Natural history : a manual of zoology for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Charles Scribner & Co, 1865)

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 animals. Containing brief descriptions of the animals figured on Tenney's Natural history tablets, but complete without the tablets - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong, 1875)

The natural history of British birds, or, A selection of the most rare, beautiful and interesting birds which inhabit this country : the descriptions from the Systema naturae of Linnaeus : with general observations, either original or collected from the latest and most esteemed English ornithologists : and embellished with figures, drawn, engraved, and coloured from the original specimens - Linné, Carl von, 1707 -1778 (Printed for the author, and for F. and C. Rivington, 1818)

Natural history of the Queen Charlotte islands, British Columbia. Natural history of the Cook inlet region, Alaska - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1901)

The natural history of Washington territory and Oregon : with much relating to Minnesota, Nebraska, Kansas, Utah, and California between the thirty-sixth and forty-ninth parallels of latitude : being those parts of the final reports on the survey of the Northern Pacific Railroad route, relating to the natural history of the regions explored : with full catalogues and descriptions of the plants and animals collected from 1853 to 1860 - Cooper, J. G. (James Graham), 1830 -1902 (Bailliáere Brothers ... [and 3 others], 1860)

The natural history of Washington territory, with much relating to Minnesota, Nebraska, Kansas, Oregon, and California, between the thirty-sixth and forty-ninth parallels of latitude, being those parts of the final reports on the survey of the Northern Pacific railroad route, containing the climate and physical geography, with full catalogues and descriptions of the plants and animals collected from 1853 to 1857 - Gray, Asa, 1810 -1888 (Baillière brothers, 1859)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1862)

Natural history studies - Thomson, J. Arthur (John Arthur), 1861 -1933 (Andrew Melrose, ltd, 1920)

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

Natural science news - Lattin, Frank H. (Frank Haak), 1861 -1937 (Frank H. Lattin, 1895)

The Naturalist and collector ([Shoop Pub. Co.], 1895)

The naturalist in Manchuria - Sowerby, Arthur de Carle, 1885 -1954 (Tientsin Press, 1922)

The naturalist in Vancouver Island and British Columbia - Lord, John Keast, 1818 -1872 (R. Bentley, 1866)

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)

The Naturalist's Pocket Magazine or compleat cabinet of the curiosities and beauties of nature (1799)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1872)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1884)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1918)

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)

Nature neighbors, embracing birds, plants, animals, minerals, in natural colors by color photography - Schneider, Albert, 1863 -1928 (American Audobon association, 1914)

The Nature-study review : devoted to all phases of nature-study in elementary schools - American Nature Study Society. ([M.A. Bigelow], 1908)

Naturgeschichte der Vögel Mitteleuropas - Naumann, Johann Andreas, 1747 -1826 (F. E. Köhler, 1897)

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

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 1951)

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 - Davie, Oliver, 1857 -1911 (Hann & Adair, 1889)

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)

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

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 Musei Heineani Ornithologici; Verzeichniss der Vogel-Sammlung des Kgl. Oberamtmanns Ferdinand Heine - Reichenow, Anton, 1847 -1941 (R. Friedländer & Sohn, 1890)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

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)

Nomenclatoris zoologici index universalis : continens nomina systematica classium, ordinum, familiarum et generum animalium omnium ... homonymiis plantarum - Agassiz, Louis, 1807 -1873 (Sumptibus Jent et Gassman, 1848)

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

Nonmenclator der vögel Bayerns - Hellmayr, Carl Eduard, 1878 -1944 (Im buchhandel zu beziehen durch G. Fischer in Jena, 1916)

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

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 (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, 1900)

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, 1908)

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

Notes on Rhode Island ornithology - Howe, Reginald Heber, Jr. 1875 -1932 (R.H. Howe, Jr, 1900)

Notes on the Birds which I have seen, Volume I, by Rudolphe Meyer de Schauensee - Meyer de Schauensee, Rodolphe, 1901-1984 (1911)

Nuovi annali delle scienze naturali (1842)

Nuovi annali delle scienze naturali (1846)

Observations on the geology, mineralogy, zoology and botany of the Labrador coast, Hudson's Strait and Bay - Geological; Natural History Survey of Canada. (Dawson, 1884)

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

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1893)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1922)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1913)