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 the ornithology of the seasons as illustrated by the arrival and departure of some of our migratory birds - Allan, G. W. (George William), 1822 -1901 (s.n, 1885)

Notes ornithologiques sur les collections rapportées en 1853 par M.A. Delattre : et classification parallélique des passereaux chanteurs - Bonaparte, Charles-Lucien, 1803 -1857 (Mallet-Bachelier, 1854)

Nouveau dictionnaire d'histoire naturelle, appliquée aux arts, à l'agriculture, à l'économie rurale et domestique, à la médecine, etc (Chez Deterville, 1818)

Nouveau dictionnaire d'histoire naturelle, appliquée aux arts, à l'agriculture, à l'économie rurale et domestique, à la médecine, etc (Chez Deterville, 1819)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1929)

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)

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

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1899)

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)

Occasional papers of the San Diego Society of Natural History - San Diego Society of Natural History. (San Diego Society of Natural History, 1959)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1900)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1906)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1903)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1937)

Les oiseaux de l'est du Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (F.A. Acland, 1922)

Les oiseaux de la province de Que´bec - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (Dussault & Proulx, 1906)

Les oiseaux de la province de Québec - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (Dussault & Proulx, 1906)

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

On the geology and natural history of the upper Missouri :Being the substance of a report made to Lieut. G.K. Warren, T.E. U.S.A - Hayden, F. V. (Ferdinand Vandeveer), 1829 -1887 (Printed by C. Sherman & son, 1862)

The oölogist (J.M. Wade, 1877)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1887)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1889)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1891)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1893)

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

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1903)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1904)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1910)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1911)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1913)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1919)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1920)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1923)

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 (John P. Smith, Printer, 1885)

Oölogy of New England : a description of the eggs, nests, and breeding habits of the birds known to breed in New England, with colored illustrations of their eggs - Capen, Elwin A. (A. Mudge & son, printers, 1886)

Opera ornithologica - Bonaparte, Charles-Lucien, 1803 -1857 (1857)

The Oregon naturalist (Naturalist Pub. Co, 1896)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1910)

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

An ornithological index, arranged according to the synopsis avium of Mr. Vigors / by T. B. L. Baker - Vigors, N. A.‏ ‎ (Nicholas Aylward),‏ ‎ 1785 -1840 (Printed by R. Taylor, 1835)

Ornithological notes - Herrick, C. L. (Clarence Luther), 1858 -1904 (Geological and Natural History Survey of Minnesota, 1877)

Ornithological report upon collections made in portions of California, Nevada, and Oregon - Henshaw, Henry W. (Henry Wetherbee), 1850 -1930 (1879)

Ornithological vocabulary of the Moki Indians - Mearns, Edgar Alexander, 1856 -1916 (Judd & Detweiler, printers, 1896)

Ornithologie du Pérou - Taczanowski, Władysław, 1819 -1890 (Typographie Oberthur, 1884)

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

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

Ornithologisches Centralblatt (L.A. Kittler, 1876)

Ornithologisches Centralblatt (L.A. Kittler, 1878)

The Ornithologist and oölogist (1881)

The Ornithologist and oölogist (1883)

The Ornithologist and oölogist (1884)

The Ornithologist and oölogist (1885)

The Ornithologist and oölogist (1886)

The Ornithologist and oölogist (1887)

The Ornithologist and oölogist (1888)

The Ornithologist and oölogist (1889)

The Ornithologist and oölogist (1890)

The Ornithologist and oölogist (1891)

The Ornithologist and oölogist (1892)

The Ornithologist and oölogist (1893)

The ornithologist's text-book : being reviews of ornithological works : with an appendix, containing discussions on various topics of interest - Wood, Neville. (John W. Parker, 1836)

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)

Ornithology and oölogy of New England containing full descriptions of the birds of New England and adjoining states and provinces, arranged by a long-approved classification and nomenclature : together with a complete history of their habits, times of arrival and departure ... : with illustrations of many species of the birds and accurate figures of their eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Nichols and Noyes, 1867)

Ornithology - Geological Survey of California. (University press] pub. by authority of the Legislature [of California], 1870)

Ornithology of Guadeloupe Island, based on notes and collections made by Dr. Edward Palmer - Ridgway, Robert, 1850 -1929 (1876)

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, 1889)

Ornithology of North Carolina : A list of the birds of North Carolina, with notes of each species - Smithwick, John Washington Pearce. (1897)

The Osprey (The Osprey Co, 1896)

The Osprey (The Osprey Co, 1897)

The Osprey (The Osprey Co, 1898)

The Osprey (The Osprey Co, 1899)

The Osprey (The Osprey Co, 1900)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1909)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1911)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1917)

Our birds in their haunts : a popular treatise on the birds of eastern North America - Langille, J. H. (James Hibbert), 1841 -1923 (Orange Judd, 1892)

Our birds in their haunts : a popular treatise on the birds of Eastern North America - Langille, J. H. (S. E. Cassino, 1884)

Our birds in their haunts: a popular treatise on the birds of eastern North America - Langille, J. H. (Orange Judd Co, 1892)

Our common birds and how to know them - Grant, John Beveridge (C. Scribner's sons, 1895)

Our living resources : a report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems - United States. National Biological Service. (U.S. Dept. of the Interior, National Biological Service, 1995)