A new British flora; British wild flowers in their natural haunts - Horwood, A. R. (Arthur Reginald), 1879 -1937 (Gresham Pub. Co, 1919)

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

A new subgenus of Megachile from Borneo with arolia (Hymenoptera, Megachilidae) - Engel, Michael S. (American Museum of Natural History, 2006)

New York State Museum. 1, Twenty-ninth Report of the Director of the division of science and State Museum (University of the State of New York, 1936)

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Newman's entomologist (Simpkin, Marshall & Co, 1873)

Nihon konchugaku - Matsumura, Shōnen 1872 -1960 (Shokabo, 1900)

Nomenclator Entomologicus. Verzeichniss der europäischen Insecten; zur Erleichterung des Tauschverkehrs mit preisen Versehen - Herrich-Schäffer, G. A. W. (Gottlieb August Wilhelm), 1799 -1874 (F. Pustet, 1840)

Nomenclator entomologicus. Verzeichniss der europäischen insecten; zur erleichterung des tauschverkehrs mit preisen versehen - Herrich-Schäffer, G. A. W. (Gottlieb August Wilhelm), 1799 -1874 (F. Pustet, 1835)

Nomenclator entomologicus : Verzeichniss der europäischen Insecten, zur Erleichterung des Tauschverkehrs mit Preisen versehen - Herrich-Schäffer, G. A. W. (Gottlieb August Wilhelm), 1799 -1874 (Friedrich Pustet, 1835)

Nomenclator entomologicus : Verzeichniss der europäischen Insecten : zur Erleichterung des Tauschverkehrs mit Preisen versehen - Herrich-Schäffer, G. A. W. (Gottlieb August Wilhelm), 1799 -1874 (Friedrich Pustet, 1835)

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)

Nomenclator Zoologicus : eine etymologische Erklärung der vorzüglichsten Gattungs- und Art-Namen, welche in der Naturgeschichte des Thierreichs vorkommen - Leunis, Johannes, 1802 -1873 (Hahn'sche Hofbuchhandlung, 1866)

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)

A nomenclature of British entomology, ... - Samouelle, George. (1819)

The nomenclature of British insects : being a compendious list of such species as are contained in the systematic catalogue of British insects, and forming a guide to their classification / by James Francis Stephens - Stephens, James Francis, 1792 -1853 (Baldwin and Cradock, 1829)

Nomenclature of Hymenoptera - Smith, Frederick, 1805 -1879 (printed by order of the trustees, 1853)

Nomina conservanda - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft naturforschender Freunde zu Berlin, 1915)

Nomina systematica generum Hymenopterorum, tam viventium quam fossilium : secundum ordinem alpabeticum disposita, adjectis auctoribus, libris in quibus reperiunter, anno editionis, etymologia et familiis ad quas pertinent - Agassiz, Louis, 1807 -1873 (s.n, 1840)

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Notes on entomology: a syllabus of a course of lectures delivered at the Cornell University ... - Comstock, John Henry, 1849 -1931 (University Press, 1875)

Notes on the habits of some hymenopterous insects from the north-west provinces of India - Smith, Frederick, 1805 -1879 (Zoological Society of London, 1870)

Notes pour servir a l'histoire des insectes nuisibles a l'agriculture dans le Départment de la Moselle - Gehin, Joseph Jean Baptiste, 1816 -1889 (Typ. de Rousseau-Pallez [etc.], 1856)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1848)

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Nouveau dictionnaire d'histoire naturelle appliquée aux arts : principalement à l'agriculture et à l'économie rurale et domestique - Imprimerie de Crapelet (Paris, France) (Chez Deterville, 1803)

Nouveau dictionnaire d'histoire naturelle appliquée aux arts : principalement à l'agriculture et à l'économie rurale et domestique - Imprimerie de Crapelet (Paris, France) (Chez Deterville, 1804)

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

Nouvelle méthode de classer les Hyménoptères et les Diptères : avec figures. Tome 1, Hyménoptères - Jurine, Louis, 1751 -1819 (Chez J.J. Paschoud, 1807)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1876)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1880)

Nova Caledonia. Forschungen in Neu-Caledonien und auf den Loyalty-Inseln. Recherches scientifiques en Nouvelle-Calédonie et aux iles Loyalty. A. Zoologie - Sarasin, Fritz, 1859 -1942 (C.W. Kreidel, 1915)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1908)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1911)

Nuove relazioni intorno ai lavori - R. Stazione di entomologia agraria in Firenze. (1900)

Nuovi studii sulla entomologia della Calabria ulteriore - Costa, Achille, 1823 -1898 (Stamperia del Fibreno, 1863)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1879)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1910)

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

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)

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

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1846)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1853)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1852)

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The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1911)

Okens Lehrbuch der Naturgeschichte - Oken, Lorenz, 1779 -1851 (Bei Carl Heinrich Reclam, 1815)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1875)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1909)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (MacMillan, 1890)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1890)

On the history and natural arrangement of insects - Shuckard, William Edward, 1802 -1868 (Printed for Longman, Brown, Green & Longman's Paternoster Row, 1840)

On the history and natural arrangement of insects - Shuckard, William Edward, 1802 -1868 (Printed for Longman, Orme, Brown, Green, & Longmans [etc.], 1840)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1954)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1959)

Opuscula entomologica - Thomson, C. G. (Carl Gustav), 1824 -1899 (1869)

The Orchadian - Australasian Native Orchid Society (The Society, 2011)

The Orchid review (Orchid Review ltd.], 1920)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1887)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1892)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1901)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1907)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1908)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1914)