The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1914)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1917)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1921)

Newsletter: clovers and special purpose legumes research - United States. Agricultural Research Service. Forage; Range Research Branch. (The Branch, 1967)

Nicholson's tested seeds for southern planters - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Nicholson Seed Co, 1924)

Növʹenytani közlemʹenyek - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termʹeszettudomʹanyi Tʹarsultat, 1902)

Nomenclator botanicus; enumerans ordine alphabetico nomina atque synonyma tum generica tum specifica et a Linnaeo et recentrioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (sumtibus I.G. Cottae, 1821)

Nomenclature of some plants associated with turfgrass management - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1962)

Norges flora, eller Beskrivelser over de i Norge vildtvoxende karplanter tilligemed angivelser af de geographiske forholde, under hvilke de forekomme - Blytt, Axel, 1843 -1898 (Trykt hos Brøgger & Christie, 1861)

The North American cup-fungi (inoperculates) - Seaver, Fred Jay, 1877 -1970 (1951)

North Carolina. Conditions inviting farming, trucking, cattle-raising and dairying. Soils and climate - North Carolina. Dept. of agriculture. ([E. M. Uzzell & co., state printers and binders, 1905)

North Carolina conditions inviting farming, trucking, cattle-raising and dairying; soils and climate - North Carolina. Dept. of Agriculture. ([s.n, 1905)

Northern grown tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, Braslan, Goodwin Co, 1896)

Northern novelties for 1921 : some new fruits, ornamentals, alfalfas, and a table cereal - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (South Dakota State College of Agriculture and Mechanic Arts, 1921)

Northern novelties for 1922 : some new fruits, ornamentals, alfalfas, and a table cereal - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (South Dakota State College of Agriculture and Mechanic Arts, 1922)

Northern novelties for 1923 : some new fruits, ornamentals, alfalfas, and a table cereal - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (South Dakota State College of Agriculture and Mechanic Arts, 1923)

Northern novelties for 1925 : thirty-two new hardy hardy grapes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (South Dakota State College of Agriculture and Mechanic Arts, 1925)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2007)

Notes on the biology of Halictus (Halictus) Farinosus Smith (Hymenoptera: Halictidae) - Nye, William P. (Agricultural Research (Western Region), Science and Education Administration, U.S. Dept. of Agriculture, 1980)

Notes on the distribution and bibliography of North American bees of the families, Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (1920)

Notes on the distribution of Pennsylvania plants : based on specimens in the Carnegie Museum of Natural History herbarium - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1989)

Notikewin Provincial Park management plan - Alberta. Parks; Protected Areas Division. (Alberta Community Development, Parks and Protected Areas, 2001)

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)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1867)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1861)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1871)

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 traité des plantes usuelles, spécialement appliqué a la médecine domestique, et au régime alimentaire de l'homme sain ou malade - Roques, Joseph, 1772 -1850 (P. Dufart, 1837)

Nouvelle flore du Tarn et de la Haute-Garonne sous-pyrénéenne - Bel, Jules. (Amalric, 1888)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1887)

Novelties and specialties for 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes Seed Co, 1911)

Novus conspectus florae Europae; sive, Enumeratio systematica plantarum omnium in Europa hucusque sponte cognitarum - Gandoger, Michel, 1850 -1926 (A. Hermann, 1910)

Noxious weed and exotic vegetation management plan, Montana Fish, Wildlife and Parks, Region 1 - Montana. Parks Division. (The Region, 1994)

Nuova flora analitica d'Italia, contenente la descrizione delle piante vascolari indigene inselvatichite e largamente coltivate in Italia - Fiori, Adriano 1865 -1950 (Tipografia di M. Ricci, 1923)

Nuovi annali delle scienze naturali (1850)

Nursery and seed catalogue : spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kallay Bros. Company, 1932)

The nursery-manual; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1920)

Nut trees, scions, fruit trees, ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wolfe's Nursery, 1934)

Nutrient composition of forage crops : effects of genetic factors and agronomic practices - Monson, Warren Glenn. (Agricultural Research Service (Southern Region), U.S. Dept. of Agriculture, 1981)

Nya botaniska notiser ([A. Bonniers Förlag], 1851)

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

Observations on the flowering plants, ferns and fern allies growing wild in Marquette County, Michigan, in 1916 and 1917, especially in the vicinity of the Huron Mountain Club - University of Michigan. Museum of Zoology. (Published by the University, 1918)

Occasional papers - San Diego Society of Natural History. (San Diego Society of Natural History, 1949)

Occasional papers - Texas Tech University. Museum, (The Museum, 2003)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1940)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1858)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1860)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1863)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1864)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1865)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1866)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1867)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1868)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1870)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1872)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1874)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1875)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1878)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1879)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1882)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1883)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1884)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1889)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1895)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1901)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1902)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1903)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1910)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1853)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1854)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1855)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1896)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1909)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1912)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1915)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1906)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1903)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1909)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1912)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1910)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1913)

Olds' catalog 1915 : 28th season [of] seeds for the farm and garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Co, 1915)

Olds' catalog 1916. farm and garden seeds, seed potatoes, poultry supplies, tools 29th season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1916)

On the Canadian species of the genus Melilotus - Nova Scotian Institute of Natural Science. (s.n, 1885)

On the flora of Australia : its origin, affinities, and distribution : being an introductory essay to the flora of Tasmania - Hooker, Joseph Dalton, 1817 -1911 (Lovell Reeve, 1859)

One-hundred and fifth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1906)

One-hundred and ninth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1910)

One hundred and second annual catalogue of high-class seeds, 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1903)

One-hundred-and-sixth annual catalogue of high-class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1907)

Onze flora. Beschrijving van de familiën, voornamste geslachten en soorten der in Nederland in het wild groeiende, verwilderde, verbouwde en aangeplante gewassen, alsmede van eenige fraaie en nuttige midden-europeesche planten - Hoffmann, Carl, 1802 -1883 (W.J. Thieme, 1900)

The open door to independence; making money from the soil; what to do–how to do, on city lots, suburban grounds, country farms, together with outline maps of all parts of the United States, irrigated regions, climates, cities, villages, market towns, locations and populations - Hill, Thomas E. (Thomas Edie), 1832 -1915 (Hill standard book company, 1915)

Orange rust of raspberry and blackberry - Schneider, Albert, 1863 -1928 (University of Illinois Agricultural Experiment Station, 1893)

Orchard and farm (Calkins Newspaper Syndicate, 1898)

Order form for grafted, buded or layered plants to the manager, Central Seed Store, Peradeniya [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Dept. of Agriculture, 1928)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1916)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1917)

Our 25th anniversary, 1917-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co, 1942)

Our 50th anniversary, 1905-1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1955)

Our garden flowers; a popular study of their native lands, their life histories, and their structural affiliations - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1910)

Our secret friends and foes. Expanded from lectures delivered before popular audiences in London, Edinburgh, and elsewhere - Society for Promoting Christian Knowledge (Great Britain). General Literature Committee. (Society for Promoting Christian Knowledge, 1899)

The Page-Philipps Seed Co.'s farm & garden guide. season of 1916 64th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Page-Philipps Seed Co, 1916)

The Page-Philipps Seed Co.'s farm & garden guide. season of 1917 65th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Page-Philipps Seed Co, 1917)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1888)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1890)

Pamphlets - Council for Scientific; Industrial Research (Australia) (Govt. Printer, 1918)

Pamphlets on forestry. Grazing (1900)

Pamphlets on forestry in California (1900)

Pamphlets on silviculture (1899)

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

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1957)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1962)