Newfoundland and the Labrador coast, 1909 - United States. Hydrographic Office. (1909)

News letter - United States. Bureau of Plant Quarantine. (Bureau of Plant Quarantine, 1932)

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

News letter - United States. Bureau of Plant Quarantine. (Bureau of Plant Quarantine, 1933)

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

Newsletter / Edinburgh Natural History Society - Edinburgh Natural History Society, (1965)

Die Noctuinen Europa's mit zuziehung einiger bisher meist dazu gezählter Arten des asiatischen Russland's, Kleinasien's, Syrien's und Labrador's - Lederer, Julius (Friedrich Manz, 1857)

Nomenclator botanicus. Nominum ad finem anni 1858 publici juris factorum, classes, ordines, tribus, familias, divisiones, genera, subgenera vel sectiones designatium enumeratio alphabetica. Adjectis auctoribus, temporibus, locis systematicis, apud varios, notis literariis atque etymologicis et synonymis - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischeri, 1873)

Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1840)

Nomenclator fungorum : exhibens ordine alphabetico nomina tam generica quam specifica, ac synonyma a scriptoribus de scientia botanica fungis imposita - Streinz, Wenzel M. (Wenzel Matern), 1792 -1876 (C. Gorischek, 1862)

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)

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)

Nomenclature of the apple : a catalogue of the brown varieties referred to in American publications from 1804 to 1904 - Ragan, W. H. 1836 -1909 (U.S. GPO, 1926)

Nomina systematica generum Lepidopterorum, 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)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2011)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2013)

The North American entomologist - Grote, Augustus Radcliffe, 1841 -1903 (Reinecke & Zesch, 1880)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1893)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1956)

North Shore breeze (North Shore Breeze Co, 1915)

A note-book of agricultural facts and figures - Wood, R. Cecil, (Govt. Press, 1920)

Notes on the natural history of the Strait of Magellan and west coast of Patagonia made during the voyage of H.M.S. Nassau in the years 1866, 67, 68, & 69 - Cunningham, Robert Oliver, 1841 -1918 (Edmonston and Douglas, 1871)

Notes sur l'île de la Réunion (Bourbon) - Maillard, L. (Louis) (Dentu, 1862)

Notes sur li̓le de la Réunion (Borbon). Annexe G, Lépidoptères - Guenée, A. (Achille), 1809 -1880 (Dentu, 1863)

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

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

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1835)

Nouvelles suites à Buffon (Roret, 1847)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1878)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1895)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1900)

Nova genera ac species plantarum, quas in regno Chilensi Peruviano et in terra Amazonica :annis MDCCCXXVII ad MDCCCXXXII - Poeppig, Eduard, 1798 -1868 (Sumptibus F. Hofmeister, 1838)

Novi Commentarii Academiae Scientiarum Instituti Bononiensis - R. Accademia delle scienze dell'Istituto di Bologna. (1849)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1895)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1915)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1867)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1843)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1845)

Numerical list of dried specimens of plants in the Museum of the Honl. East India Company - Wallich, N. (Nathaniel),‏ 1786 -1854 ([s.n.], 1828)

Nuove osservazioni, ed esperienze intorno all'ovaja scoperta neʼ vermi tondi dell'uomo : e deʼ vitelli, con varie lettere spettanti alla storia medica, e naturale - Pre-1801 Imprint Collection (Library of Congress) (Nella stamperia del seminario, appresso G. Manfrè, 1713)

Nuovi annali delle scienze naturali (1846)

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

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

[Observations sur les lépidoptères] - Bellier de La Chavignerie, Eugène, 1819 -1888 (s.n, 1880)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2001)

Oceanographic observations on the "E.W. Scripps" cruises of 1938 - Sverdrup, H. U. (Harald Ulrik), 1888 -1957 (University of California Press, 1942)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1907)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1910)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1844)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1871)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1900)

The Ohio recent mammal collection in the Cleveland museum of natural history - Cleveland Museum of Natural History ([Cleveland Museum of Natural History], 1942)

On a collection of butterflies - Butler, Arthur G. (Arthur Gardiner), 1844 -1925 (1880)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank Haak), 1861 -1937 (Frank H. Lattin, 1893)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank Haak), 1861 -1937 (Frank H. Lattin, 1913)

Operae horarum succisiuarum, sive Meditationes historicae. : Continentes accuratum delectum memorabilium historiarum, & rerum tam veterum, quàm recentium, singulari studio inuicem collatarum, quae omnia lectoribus & uberem admodum fructum, & liberalem pariter oblectationem afferre poterunt. Unà cum indice locupletissimo - Anghiera, Pietro Martire d', 1457 -1526 (Typis Christophori Lochneri et Iohannis Hofmanni. Cum gratia & priuilegio Caes. Maiest. ad annos XII, 1591)

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, 1957)

Opuscula entomologica - Thomson, C. G. (Carl Gustav), 1824 -1899 (1891)

Opuscula Ichneumonologica : Fascicule 1-45 - Schmiedeknecht, Otto, 1847 -1936 ([s.n.], 1906)

Orchidacearum genera et species. Vol.1-[2, pars 1] - Kraenzlin, Fritz, 1847 -1934 (Mayer & Müller, 1901)

Original tree strain of Stark Delicious : [bulletin and catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stark Bro's, 1924)

Ornithologisches Centralblatt (L.A. Kittler, 1876)

Outlines of entomology - Murtfeldt, Mary Esther, 1848 -1913 (Tribune printing company, state printers and binders, 1891)

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

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

Palæozoic fossils - Geological Survey of Canada (Dawson Bros, 1865)

Pantology; or, A systematic survey of human knowledge; proposing a classification of all its branches, and illustrating their history, relations, uses, and objects; with a synopsis of their leading facts and principles; and a select catalogue of books on all subjects, suitable for a cabinet library ... - Park, Roswell, 1807 -1869 (Hogan & Thompson, 1843)

Die Papageien - Finsch, O. (Otto), 1839 -1917 (Brill, 1867)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1888)

Papers on mammalogy - Field Museum of Natural History. (Field Museum of Natural History, 1941)

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

Paxton's Botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms. New ed. including all the new plants up to the present year - Paxton, Joseph, Sir, 1803 -1865 (Bradbury, Evans, & co, 1868)

Pedigrees of English Short-horn bulls, to which American Short-horns trace - Allen, Lewis F. (Lewis Falley), 1800 -1890 (Warren, Johnson, 1874)

Perak Museum notes - Perak State Museum. (Perak G.P.O, 1894)

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