A natural history of the British Lepidoptera : a text-book for students and collectors - Tutt, James William, 1858 -1911 (S. Sonnenschein, 1908)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1956)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1878)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1881)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1896)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1921)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1928)

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

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

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

The naturalist's diary: a day-book of meteorology, phenology and rural biology. With a chart showing the blossoming of spring flowers in Europe, and an introduction of natural periodic phenomena, etc. 188 - Roberts, Charles, Dec 31 1901 (Sonnenschein, Le Bas and Lowrey, 1886)

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.], 1889)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1892)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1904)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1908)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1916)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1905)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1909)

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

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

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

Newman's entomologist (Simpkin, Marshall & Co, 1874)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 2007)

Niederländisches Archiv für Zoologie (A.C. Kruseman; Leiden : E.J. Brill; Leipzig : C.F. Winter, 1876)

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)

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

Nordens fjärilar : handbok i Sveriges, Norges, Danmarks och Finlands : Macrolepidoptera - Aurivillius, Chr. (Christopher), 1853 -1928 (Aktiebolaget Hiertas bokförlag, 1888)

North American index fossils, invertebrates - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler, 1909)

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 (1977)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1979)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1982)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1983)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1984)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1989)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1994)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1995)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1997)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2000)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2011)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1858)

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

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1887)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1894)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1914)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1917)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1925)

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

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1930)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1932)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1866)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1870)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1873)

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

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1882)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1900)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1902)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1904)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1907)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1909)

Occasional paper - Entomological Society of British Columbia (The Society, 1951)

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

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1975)

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, 1858)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1867)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1894)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1903)

Over de bevruchting der bloemen in het kempisch gedeelte van Vlaanderen - MacLeod, Julius, 1857 -1919 (Vuylsteke, 1894)

Oversigt over de i arktiske region hidtil fundne lepidoptera - Schøyen, Wilhelm Maribo, 1844 -1918 (Alb. Cammermeyer, 1880)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1914)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1917)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1972)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1980)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1881)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1883)

Les papillons dans la nature : 64 planches en couleurs et monographies - Robert, Paul-A. (Éditions Delachaux and Niestlé, s.a, 1934)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)