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)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1918)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1931)

North Platte River area designated (noxious) weed treatment program : environmental assessment record - United States. Bureau of Land Management. (Wyoming Department of Agriculture, 1978)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1987)

Notes by a naturalist on the "Challenger", being an account of various observations made during the voyage of H.M.S. "Challenger" around the world, in the years 1872-1876, under the commands of Capt. Sir G. S. Nares and Capt. F. T. Thomson - Moseley, H. N. (Henry Nottidge), 1844 -1891 (Macmillan and co, 1879)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1884)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1885)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1879)

Notes on orthopteran gregarinidae with especial reference to two unnamed species - Kamm, Minnie Watson, 1886 -1954 (1913)

Notes on the distribution and natural history of bats in southeastern Montana - Jones, J. Knox (Museum, Texas Tech University, 1973)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1828)

Notulae entomologicae - Helsingin Hyönteistieteellinen Yhdistys. ([Societas Entomologica Helsingforsiensis], 1921)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1906)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1913)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2010)

Nuove relazioni intorno ai lavori - R. Stazione di entomologia agraria in Firenze. (1902)

Nuovi annali delle scienze naturali (1846)

Nuovi annali delle scienze naturali (1847)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1913)

Objects for the microscope, being a popular description of the most instructive and beautiful subjects for exhibition - Clarke, Louisa Lane (Groombridge and sons, 1871)

Objects for the microscope; a popular description of the most instructive and beautiful subjects for exhibition or examination - Clarke, Louisa Lane (Groombridge, 1889)

Observations on the biology of rodents in Uruguay - Royal Ontario Museum. (Royal Ontario Museum], 1969)

Occasional paper - Entomological Society of British Columbia (The Society, 1994)

Occasional papers from the Museum of Victoria. Vol. 1-6 (1984-1993) - Museum of Victoria (Council of the Museum of Victoria, 1992)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1921)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1922)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1924)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1925)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1927)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1930)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1915)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1970)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1976)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1981)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1917)

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

Official lists and indexes of names and works in zoology. Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 1999)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 2011)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 2019)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1919)

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

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1972)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1978)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1988)

On animal and vegetable parasites of the human body a manual of their natural history, diagnosis, and treatment - Lankester, Edwin, 1814 -1874 (Printed for the Sydenham Society, 1857)

On animal and vegetable parasites of the human body, a manual of their natural history, diagnosis, and treatment - Küchenmeister, Friedrich, 1821 -1890 (Printed for the Sydenham Society, 1857)

On the control of cereal and forage crop pests, copyright ... - Reinlein, Fred, 1866 - (1920)

Opuscula zoologica - Zoologische Staatssammlung München. (Zoologische Staatssammlung, 1957)

Opuscula zoologica - Zoologische Staatssammlung München. (Zoologische Staatssammlung, 1958)

Opuscula zoologica - Zoologische Staatssammlung München. (Zoologische Staatssammlung, 1960)

Opuscula zoologica - Zoologische Staatssammlung München. (Zoologische Staatssammlung, 1962)

Opuscula zoologica - Zoologische Staatssammlung München. (Zoologische Staatssammlung, 1973)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1900)

Our common insects; first steps to entomology - Cox, Rosalinda Alicia (R. Hardwicke, 1869)

Our living world; an artistic edition of the Rev. J. G. Wood's Natural history of animate creation - Wood, J. G. (John George), 1827 -1889 (S. Hess, 1885)

Outlines of general zoology - Baird, Spencer Fullerton, 1823 -1887 (Rudolph Garrigue, 1851)

Overzicht der schadelijke en nuttige insecten van Java - Koningsberger, J. C. (Jacob Christiaan), 1867 -1951 (G. Kolff & co, 1908)

Pacific science - University of Hawaii. (University Press of Hawaii, 1955)

Pacific science - University of Hawaii. (University Press of Hawaii, 1966)

Palaeontographica (Theodor Fischer, 1867)

Palaeontology - Palaeontological Association (Palaeontological Association, 1967)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1881)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1882)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1925)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1927)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1933)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1944)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1945)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1946)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1947)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1950)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1956)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1959)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1962)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1963)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1965)