Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1890)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1903)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1916)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1921)

Neue forstliche Blätter - Bühler, Anton, 1848 -1920 (Georg Schnürlen, 1902)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1853)

New beauty for home grounds : spring and fall 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New Market Perennial Gardens, 1932)

New descriptive price list : fall 1913, spring 1914 of the fruit, ornamental trees, vines, plants, etc., etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.B. Watkins & Brother, 1913)

New England bulbs & flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorp'd, 1910)

New England bulbs & flowers : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1911)

New England bulbs, plants, evergreens, roses and potted strawberries : for autumn planting 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Inc, 1908)

The New England garden supplement : spring 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Inc, 1908)

The New England Nurseries Company [catalog], Bedford, Massachusetts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1915)

The New England Nurseries Company [catalog], Bedford, Massachusetts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1916)

The New England Nurseries, Incorporated : hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1912)

New England's coldest nursery catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1933)

New-England's rarities discovered - Tuckerman, Edward, 1817 -1886 (1860)

New-England's rarities discovered in birds, beasts, fishes, serpents, and plants of that country - Tuckerman, Edward, 1817 -1886 (W. Veazie, 1865)

New England trees & plants 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1910)

New England trees in winter - Blakeslee, Albert Francis, 1874 -1954 (Storrs Agricultural Experiment Station, 1911)

New manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada, rearr. and extensively rev. by Benjamin Lincoln Robinson and Merritt Lyndon Fernald - Robinson, Benjamin Lincoln, 1864 -1935 (American Book Co, 1908)

New pest response guidelines : Lymantriidae - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, 2000)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1908)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1913)

New planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1936)

New planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, 1938)

New York State Museum. 1, Twenty-ninth Report of the Director of the division of science and State Museum (University of the State of New York, 1936)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1916)

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, 1919)

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

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1920)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1924)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1925)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1944)

Newfoundland birds : exploitation, study, conservation - Montevecchi, William A (Nuttall Ornithological Club, 1987)

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

A növényrendszer áttekintése = Systematis vegetabilium janua, in usum auditorum R. Universitatis claudiopolitanae. Második átdolgozott kiadás - Kanitz, Ágost, 1843 -1896 (Ajtai K. Albert (Magyar Polgár) Könyvnyomdája, 1887)

Nomenclator botanicus hortensis : oder, alphabetische und synonymische aufzählung der in den gärten Europa's cultivirten gewächse, nebst angabe ihres autors, ihres vaterlandes, ihrer dauer und cultur - Heynhold, Gustav, 1800 -approximately 1860 (Arnoldischen Buchhandlung, 1846)

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, 1841)

North American Cerambycid larvæ : a classification and the biology of North American Cerambycid larvæ - Canada. Department of Agriculture. (Published by direction of the ... Minister of Agriculture, 1923)

North American cerambycid larvae : a classification and the biology of North American cerambycid larvae - Craighead, Frank C. (Frank Cooper), 1890 -1982 (Dept. of Agriculuture, 1923)

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

The North American cup-fungi (operculates) - Seaver, Fred Jay, 1877 -1970 (The author, 1942)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1889)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1900)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1908)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1981)

North American flora - New York Botanical Garden (New York Botanical Garden, 1910)

North American flora - New York Botanical Garden (New York Botanical Garden, 1907)

North American flora - New York Botanical Garden (New York Botanical Garden, 1924)

North American flora - New York Botanical Garden (New York Botanical Garden, 1925)

North American flora - New York Botanical Garden (New York Botanical Garden, 1927)

North American flora - New York Botanical Garden (New York Botanical Garden, 1931)

The North American Pyrenomycetes. A contribution to mycologic botany - Everhart, B. M. (Benjamin Matlack), 1818 -1904 (Ellis & Everhart, 1892)

The North American sylva, or, A description of the forest trees of the United States, Canada, and Nova Scotia, not described in the work of F. Andrew Michaux and containing all the forest trees discovered in the Rocky Mountains, the territory of Oregon, down to the shores of the Pacific and into the confines of California, as well as in various parts of the United States : illustrated by 122 fine plates - Nuttall, Thomas, 1786 -1859 (Smith & Wistar, 1849)

The North American sylva, or, A description of the forest trees of the United States, Canada, and Nova Scotia, not described in the work of F. Andrew Michaux and containing all the forest trees discovered in the Rocky Mountains, the territory of Oregon, down to the shores of the Pacific, and into the confines of California, as well as in various parts of the United States ; illustrated by 121 colored plates - Nuttall, Thomas, 1786 -1859 (R. Baldwin, 1853)

North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1908)

North American trees; being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies; with the assistance of John Adolph Shafer - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1908)

North American trees (exclusive of Mexico and tropical United States) A handbook designed for field use - Preston, Richard Joseph, 1905 - (Iowa State University Press, 1961)

North American trees : guide to Charles F. Millspaugh Hall - Field Museum of Natural History. (1934)

North American Workshop on Monitoring for Ecological Assessment of Terrestrial and Aquatic Ecosystems - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1996)

North Atlantic biota and their history; a symposium held at the University of Iceland, Reykjavík, July 1962, under the auspices of the University of Iceland and the Museum of Natural History. Editors: Askell Löve and Doris Löve. Sponsored by the NATO Advanced Study Institutes Program - Áskell Löve, 1916 -1994 (Pergamon Press, 1963)

North Platte River area designated (noxious) weed treatment program : environmental assessment record - United States. Bureau of Land Management. (Wyoming Department of Agriculture, 1978)

Northeastern Area Forest Health Report (1993)

Northeastern Area Forest Health Report–1992 (1994)

Northeastern forest pest reporter - United States. Forest Service. (U. S. Dept. of Agriculture. Forest Service, Region Seven, 1956)

Northern grown evergreens for windbreak, forest, watershed, nursery and ornamental planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Company, Cupsuptic Nursery, 1937)

The northern hardwood forest : its composition, growth, and management - Frothingham, E. H. (Earl Hazeltine), 1880 - (U.S. Dept. of Agriculture, 1915)

Northern New England seed crop (certified as to origin) : 1931 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Company, 1931)

Northern New England seed crop (certified as to origin) : 1930 crop [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Company, 1930)

Nossas florestas - Heisley, Marie Foote, 1888 - (U.S. Dept. of Agriculture, 1940)

Notebooks of William Brewster - Brewster, William, 1851 -1919 (1883)

Notes on distribution of vascular plants of Newfoundland, Labrador, and adjacent Quebec - Fernald, Merritt Lyndon, 1873 -1950 (1901)

Notes on the flora of Nova Scotia - Fernald, Merritt Lyndon, 1873 -1950 (1920)

Notes on the forests of Quebec - Quebec (Province). Department of Lands; Forests. (Telegraph Print. Co, 1923)

Notes on the North American species of dadoxylon with special reference to type material in the collections of the Peter Redpath Museum, McGill University - Penhallow, D. P. (David Pearce), 1854 -1910 (J. Hope & Sons, 1900)

Notice sur les plantes de Michaux, et sur son voyage au Canada et à la Baie d'Hudson d'après son journal manuscrit et autres documents inédits - Brunet, Ovide, 1826 -1876 (Bureau de l'Abeille, 1863)

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

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1902)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1905)

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)

Nouveaux éléments d'histoire naturelle médicale : comprenant des notions générales sur la zoologie, la botanique et la minéralogie, l'histoire et les propriétés des animaux et des végétaux utiles ou nuisibles à l'homme, soit par eux-mêmes, soit par l - Cauvet, D. (Désiré), 1827 -1890 (J.B. Baillière, 1869)

Nouveaux éléments d'histoire naturelle médicale : comprenant des notions générales sur la minéralogie, la zoologie et la botanique, l'histoire et les propriétés des animaux et des végétaux utiles ou nuisibles à l'homme, soit par eux-mèmes, soit par leurs produits - Cauvet, D. (Désiré), 1827 -1890 (J.B. Baillière, 1877)

Novelties & general catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, Inc, 1916)

Novelties and specialties - Manda, W.A., Inc. (W.A. Manda, Inc, 1915)

Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1912)

Nursery propagation of woody and herbaceous perennials for the Prairie Provinces - Canada. Agriculture Canada (Communications Branch, Agriculture Canada, 1982)

Nursery stock and commercial forest planting, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Forestry Co, 1931)

Nursery stock and commercial forest planting, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Forestry Co, 1932)

Nurserymen's seeds, fresh 1927 crop : March 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

Die Nutzhölzer der Vereinigten Staaten, ihre Handels- und Lokalbezeichnungen, botanischen Charaktere und Verbreitungs- gebiete. Speziell für den Holzhandel bearb - Rattinger, Karl K (Forstbüro Silva, 1910)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1890)

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 of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1913)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1921)

Oecology of plants : an introduction to the study of plant-communities - Vahl, M. (Martin), 1749 -1804 (Clarendon Press, 1909)

Oecology of plants : an introduction to the study of plant-communities - Warming, Eugenius, 1841 -1924 (Clarendon Press, 1909)

Oecology of plants; an introduction to the study of plant-communities - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1909)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1895)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1896)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1915)

Offer #13 : Oct. 13th, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

Offer No. 31 : March 9th, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Die officinellen Pflanzen der Pharmacopoea Germanica für Pharmaceuten und Mediciner besprochen und durch Originalabbildungen erläutert - Kohl, F. G. (Friedrich Georg), 1855 -1910 (Barth, 1895)

Die offizinellen Pflanzen und Drogen :eine systematische Übersicht über die in sämtlichen Staaten Europas sowie in Japan und den Vereinigten Staaten von Amerika offizinellen Pflanzen und Drogen mit kurzen erläuternden Bemerkungen - Mitlacher, Wilhelm, 1872 -1913 (C. Fromme, 1912)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1877)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1884)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1904)

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

On Paedisca radicana and the type species of the genus Griselda (Lepidoptera, Tortricidae, Olethreutinae) - Obraztsov, Nikolaus S., 1906 - (American Museum of Natural History, 1965)

On the forestry conditions of northern Wisconsin - Roth, Filibert, 1858 -1925 (The State, 1898)

On the germination, development, and fructification of the higher Cryptogamia, and on the fructification of the Coniferae - Hofmeister, Wilhelm, 1824 -1877 (Pub. for the Ray society by R. Hardwicke, 1862)

On the natural history of the Gulf of St. Lawrence and the distribution of the Mollusca of Eastern Canada - Bell, Robert, 1841 -1917 (s.n.], 1859)

On the physical features of the central part of British North America and on its capabilities for settlement - Hector, James, Sir, 1834 -1907 (s.n.], 1861)

The Ontario natural science bulletin - Wellington Field Naturalists' Club. (Wellington Field Naturalists' Club, 1913)

The Ontario natural science bulletin - Wellington Field Naturalists' Club. (Wellington Field Naturalists' Club, 1912)

Optimal sites for seedlings of ten conifers - University of Alberta. Dept. of Agricultural Engineering. (1977)

Opuscula philolichenum (J. Lendemer, 2006)