The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1943)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1946)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1947)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1948)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1949)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1951)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1955)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1957)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1959)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1961)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1967)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1968)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1975)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1978)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1982)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1985)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1986)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1991)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1995)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2011)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2012)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2016)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1908)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1910)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1915)

Nature notes : the Selborne Society's magazine - Selborne Society. (H. Sotheran, 1903)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1909)

Natürliche Schöpfungs-Geschichte : gemeinverständliche wissenschaftliche Vorträge über die Entwickelungs-Lehre - Haeckel, Ernst, 1834 -1919 (Georg Reimer, 1898)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1908)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1909)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1910)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1912)

Nests and eggs of North American birds - Davie, Oliver, 1857 -1911 (D. McKay, 1900)

Neuroptera Austriaca : die im Erzherzogthum Oesterreich bis jetzt aufgefundenen Neuropteren nach der analytischen Methode zusammengestellt, nebst einer kurzen Characteristik aller europäischen Neuropteren-Gattungen - Brauer, Friedrich, 1832 -1904 (C. Gerold's Sohn, 1857)

The neuropterid fauna of Dominican and Mexican amber (Neuropterida, Megaloptera, Neuroptera) - Engel, Michael S. (American Museum of Natural History, 2007)

A new alderfly in Baltic amber (Megaloptera, Sialidae) - Engel, Michael S. (American Museum of Natural History, 2006)

New genera and higher taxa in entomology with their authors from the "Bibliography of Agriculture" for 1958, 1959, and 1960 - Burch, Elisabeth B. (1962)

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New York State Museum bulletin - New York State Museum. (University of the State of New York, 1941)

The New Zealand journal of science and technology - New Zealand. Board of Science; Art. (New Zealand Board of Science and Art, 1918)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1934)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 1971)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 1977)

Nihon senchu zukai - Matsumura, Shōnen 1872 -1960 ([Keiseisha?], 1904)

Nomenclator zoologicus continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, sub auspiciis et sumptibus C. R. Societatis zoologico-botanicae conscriptus a comite Augusto de Marschall - Marschall, August Friedrich, 1804 -1887 (typis C. Ueberreuter (M. Salzer), 1873)

Normentafeln zur Entwicklungsgeschichte der Wirbelthiere ... - Keibel, Franz, 1861 -1929 (G. Fischer, 1910)

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

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1900)

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

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1912)

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

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Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2000)

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)

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)

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

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

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Orthoptera of northeastern America, with especial reference to the faunas of Indiana and Florida - Blatchley, W. S. (Willis Stanley), 1859 -1940 (The Nature Publishing Company, 1920)

Orthoptera of northeastern America : with especial reference to the faunas of Indiana and Florida - Blatchley, W. S. (Willis Stanley), 1859 -1940 (Nature Pub. Co., 1920, 1920)

Our insect friends and enemies; the relation of insects to man, to other animals, to one another, and to plants, with a chapter on the war against insects - Smith, John Bernhard, 1858 -1912 (J.B. Lippincott Company, 1909)

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)

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

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Young J. Pentland, 1892)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton & Co, 1892)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Pentland, 1899)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Frowde and Hodder & Stoughton, 1899)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Young J. Pentland, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton & Co, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton, 1906)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Frowde and Hodder & Stoughton, 1921)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Humphrey Milford, Oxford University Press, 1929)

Outwitting termites in Illinois - Illinois. Natural History Survey Division (1938)

Overview environmental assessment of four potential reservoir developments on Willow Creek, Alberta - L.G.L. Limited, Environmental Research Associates. (Alberta Environment Planning Division, 1986)

Palaeontology - Palaeontological Association (Palaeontological Association, 1971)

Palaeontology - Palaeontological Association (Palaeontological Association, 1972)

Palaeontology - Palaeontological Association (Palaeontological Association, 1998)

Paläobiologie der Cephalopoden aus der Gruppe der Dibranchiaten - Abel, Othenio, 1875 -1946 (G. Fischer, 1916)

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, 1935)