The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1936)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1937)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1939)

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, 1949)

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

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1953)

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, 1985)

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

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, 2013)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2015)

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

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2017)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2018)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2020)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2021)

A naturalist in Brazil; the record of a year's observation of her flora, her fauna, and her people - Guenther, Konrad, 1874 -1955 (Houghton Mifflin Company, 1931)

A naturalist on lake Victoria, with an account of sleeping sickness and the tse-tse fly - Carpenter, G. D. Hale (Geoffrey Douglas Hale), 1882 -1953 (T.F. Unwin ltd, 1920)

A naturalist on Lake Victoria : with an account of sleeping sickness and the tse-tse fly - Carpenter, G. D. Hale (Geoffrey Douglas Hale), 1882 -1953 (E. P. Dutton, 1920)

The naturalist's assistant; a hand-book for the collector and student, with bibliography of fifteen hundred works necessary for the systematic zoölogist - Kingsley, J. S. (John Sterling), 1854 -1929 (S. E. Cassino, 1882)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1882)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1887)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1891)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1894)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1898)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1904)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1911)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1921)

Die Naturgeschichte des Thierreichs - Giebel, C. (Christoph), 1820 -1881 (Wigand, 1863)

Naturhistorisk tidsskrift - Schiødte, J. C. (Jørgen Matthias Christian), 1815 -1884 (C.A. Reitzel, 1838)

Die Naturwissenschaften - Gesellschaft Deutscher Naturforscher und Ärzte. (Springer-Verlag, 1913)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1905)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1915)

Neem's potential in pest management programs : proceedings of the USDA Neem Workshop, Beltsville, Maryland, April 16-17, 1990 - Lawson, Roger, H. (U.S. Dept. of Agriculture, Agricultural Research Service, 1990)

Nests and immature stages of the bee Paratetrapedia swainsonae (Hymenoptera, Anthophoridae) - Michener, Charles D. (Charles Duncan), 1918 -2015 (American Museum of Natural History, 1988)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1878)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1886)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1912)

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

New evanioid wasps from the Cenomanian of Myanmar (Hymenoptera, Othniodellithidae, Aulacidae), with a summary of family-group names among Evanioidea - Engel, Michael S. (American Museum of Natural History, 2017)

A new genus of Eastern Hemisphere stingless bees (Hymenoptera, Apidae), with a key to the supraspecific groups of Indomalayan and Australasian Meliponini - Engel, Michael S. (American Museum of Natural History, 2017)

A new lineage of enigmatic diaprioid wasps in Cretaceous amber (Hymenoptera, Diaprioidea) - Engel, Michael S. (American Museum of Natural History, 2013)

A new moustache wasp in Dominican amber, with an account of apoid wasp evolution emphasizing Crabroninae (Hymenoptera, Crabronidae) - Engel, Michael S. (American Museum of Natural History, 2006)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1926)

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

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1935)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1936)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 1975)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 1976)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 2006)

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

Nihon senchu zukai. 1 - Matsumura, Shōnen 1872 -1960 (Keiseisha, 1922)

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)

Norfolk - Dutt, William A. (William Alfred), 1870 -1939 (E.P. Dutton, 1901)

Norfolk - Dutt, William A. (William Alfred), 1870 -1939 (J.M. Dent & Co, 1900)

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

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)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1939)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 2009)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1989)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1995)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2004)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2005)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2006)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2010)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2012)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1908)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1907)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1910)

Nouveaux mémoires de l'Académie royale des sciences et belles-lettres de Bruxelles - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1845)

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, 1917)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1909)

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. (1899)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1906)

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

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1919)

Occasional paper - Entomological Society of British Columbia (The Society, 2015)

On "Molecular phylogeny of Vespidae (Hymenoptera) and the evolution of sociality in wasps" - Schmitz, J. (Jürgen) (American Museum of Natural History, 2003)

The onion (ICAR-Directorate of Knowledge Management in Agriculture, Indian Council of Agricultural Research, 2015)

Opalina : its anatomy and reproduction, with a decription of infection experiments and a chronological review of the literature - Metcalf, Maynard M. (Maynard Mayo), 1868 -1940 (G. Fischer, 1909)

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, 1945)

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)

Opuscula entomologica - Thomson, C. G. (Carl Gustav), 1824 -1899 (1892)

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

Opuscula zoologica - Zoologische Staatssammlung München. (Zoologische Staatssammlung, 1971)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1894)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1897)

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)

The oviposition response of insects - Richardson, Charles H. (Charles Howard), 1887 - (U.S. Dept. of Agriculture, 1925)

Pacific science - University of Hawaii. (University Press of Hawaii, 1953)

Pacific science - University of Hawaii. (University Press of Hawaii, 1956)

Pamphlets on forest protection (1900)