Morphologische und physiologische Analyse der Zelle der Pflanzen und Tiere : Grundzüge unseres Wissens über den Bau der Zelle und über dessen Beziehung zur Leistung der Zelle - Meyer, Arthur, 1850 -1922 (G. Fischer, 1920)

Morphology of the angiosperms - Eames, Arthur J., 1881 -1969 (McGraw-Hill, 1961)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1966)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1967)

The mountain - Jackson, Robert Montgomery Smith, 1815 -1865 (J. B. Lippincott & Co, 1860)

Museum bulletin - New York State Museum. (University of the State of New York, 1911)

My garden - Wilder, Louise Beebe, 1878 -1938 (Doubleday, Page & company, 1916)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1919)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1921)

Nantucket wild flowers - Albertson, Alice Owen. (G. P. Putnam's sons, 1921)

A narrative history of the town of Cohasset, Massachusetts - Bigelow, E. Victor (Edwin Victor), 1866 -1929 (Press of S. Usher], 1898)

Narrative of an expedition to the source of St. Peter's river, Lake Winnepeek, Lake of the Woods, &c., performed in the year 1823, ... under the command of Stephen H. Long - Schweinitz, Lewis David von, 1780 -1834 (H. C. Carey & I. Lea, 1824)

Narrative of the Arctic land expedition to the mouth of the Great Fish River, and along the shores of the Arctic Ocean, in the years 1833, 1834 and 1835 - Richardson, John, Sir, 1787 -1865 (A and W. Calignani, 1836)

Narrative of the Arctic land expedition to the mouth of the Great Fish River, and along the shores of the Arctic Ocean in the years 1833, 1834, and 1835 - Back, George, 1796 -1878 (John Murray, 1836)

Narrative of the Arctic land expedition to the mouth of the Great Fish River : and along the shores of the Arctic Ocean, in the years, 1833, 1834, and 1835 - Back, George, 1796 -1878 (J. Murray, 1836)

Narrative of the Arctic Land Expedition to the mouth of the Great Fish River : and along the shores of the Arctic Ocean in the years 1833, 1834, and 1835 - Back, George, 1796 -1878 (J. Murray, 1836)

The National geographic magazine - National Geographic Society (U.S.) (National Geographic Society, 1919)

National proceedings : forest and conservation nursery associations - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1995)

Native American ferns and wild flowers, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1939)

Native American ferns and wild flowers, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1940)

Native American ferns and wild flowers, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1941)

Native American ferns and wild flowers, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1942)

Native American ferns and wild flowers, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1945)

Native American ferns and wild flowers, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1946)

Native American ferns and wild flowers : 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1948)

Native American ferns and wild flowers : 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1949)

Native American ferns and wild flowers, evergreens, trees, shrubs : 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1951)

Native American ferns and wild flowers, evergreens, trees, shrubs : 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1950)

Native American ferns and wild flowers, evergreens, trees, shrubs : 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1952)

Native American ferns and wild flowers : fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1938)

Native American ferns and wild flowers : fall, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1947)

Native American ferns and wild flowers : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1935)

Native American ferns and wild flowers : spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1938)

Native broad-leaved evergreens for immediate effect : fall, 1932-spring, 1933 : and many other specialties for fall and spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1932)

Native broad-leaved evergreens for immediate effect : fall, 1929-spring, 1930 : and many other specialties for fall and spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1929)

Native broad-leaved evergreens for immediate effect : fall 1923-spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1923)

Native broad-leaved evergreens for immediate effect : fall 1924-spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1924)

Native broad-leaved evergreens for immediate effect : fall 1925-spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1925)

Native broad-leaved evergreens for immediate effect : fall 1928-spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1928)

Native broad-leaved evergreens for immediate effect : fall 1926-spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1926)

Native broad-leaved evergreens for immediate effect : fall 1927-spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1927)

The native flora of the vicinity of Cold Spring Harbor, L.I., New York - Grier, Norman McDowell 1890 -1951 (1925)

Native flowering and medicinal plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henderson's Botanical Gardens, 1959)

The native flowers and ferns of the United States in their botanical, horticultural and popular aspects - Meehan, Thomas, 1826 -1901 (L. Prang and Company, 1878)

The native forests of Cuyahoga County, Ohio - Williams, Arthur B. (Arthur Baldwin), 1874 - (Cleveland Museum of Natural History, 1949)

Native hardy trees, shrubs, perennials and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1937)

Native hardy trees, shrubs, perennials and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1947)

Native hardy trees, shrubs, perennials and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1948)

Native hardy trees, shrubs, perennials and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1946)

Native hardy trees, shrubs, perennials and ferns : good strong plants, ready for landscape and nursery planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1958)

Native hardy trees, shrubs, perennials and ferns : good strong plants, ready for landscape and nursery planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1955)

Native hardy trees, shrubs, perennials and ferns : good strong plants, ready for landscape and nursery planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1957)

Native hardy trees, shrubs, perennials and ferns : good strong plants, ready for landscape and nursery planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1953)

Native North American ferns and wild flowers for fall, 1929, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1929)

Native North American ferns and wild flowers for fall, 1930, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1930)

Native North American ferns and wild flowers for fall, 1931, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1931)

Native North American ferns and wild flowers for fall, 1932, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1932)

Native plants, 1878-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, Inc, 1935)

Native plants, ferns, and bulbs, herbaceous perennials, alpine and rockery subjects - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenside Nurseries, Inc, 1927)

Native plants from "The land of the sky" - Clement, G. Latta. (Nik-Nar Farm, 1931)

Native plants from "The Land of the Sky", 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1936)

Native plants from "The Land of the Sky", 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1937)

Native woody plants of the United States : their erosion-control and wildlife values - Mulford, Furman Lloyd, 1869 - (U.S. Dept. of Agriculture, 1938)

Native woody plants of the United States, their erosion-control and wildlife values - United States. (U. S. Govt. print. off, 1938)

Natural area inventory of Pamlico County, North Carolina - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Department of Natural Resources and Community Development, 1982)

Natural area inventory of Washington County, North Carolina - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Department of Natural Resources and Community Development, 1982)

Natural areas inventory, Gates County, North Carolina - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Dept. of Natural Resources and Community Development, 1982)

Natural history - American Museum of Natural History (American Museum of Natural History, 1981)

The natural history and topography of Groton, Massachusetts - Green, Samuel A. (Samuel Abbott), 1830 -1918 (J. Wilson and Son], 1912)

Natural history of New York (D. Appleton, 1842)

The natural history of the Toronto region, Ontario, Canada - Glenny, George, 1793 -1874 (Pub. by the Canadian institute, 1913)

The natural history of the Toronto region, Ontario, Canada - Glenny, George, 1793 -1874 (Canadian Institute, 1913)

The Natural history of the Toronto Region, Ontario, Canada - Faull, J. H. (Joseph Horace), 1870 -1961 (Canadian Institute, 1913)

A natural system of botany; or, A systematic view of the organisation, natural affinities, and geographical distribution of the whole vegetable kingdom - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

A natural system of botany, or, A systematic view of the organization, natural affinities, and geographical distribution, of the whole vegetable kingdom : together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1898)

Die Naturalisation ausländischer Waldbäume in Deutschland - Booth, John, 1836 -1909 (J. Springer, 1882)

A naturalist in the Great Lakes region - Downing, Elliot Rowland, 1868 -1944 (The University of Chicago Press, 1922)

A naturalist in the Great Lakes region - Downing, Elliot Rowland, 1868 -1944 (University of Chicago Press, 1922)

Naturalist's guide to the Americas - Ecological Society of America. Committee on the Preservation of Natural Conditions. (Williams & Wilkins, 1926)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1870)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1877)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1891)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1918)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1921)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1875)

A nature calendar; a record of the appearance of the flowers and birds - Thompson, Thomas Edward (The Morse Company, 1896)

Nature's garden : an aid to knowledge of our wild flowers and their insect visitors... - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Grosset & Dunlap, 1900)

Nature's garden; an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page, 1900)

Nature's garden : an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page, 1900)

Nature's garden : an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page, 1901)

Nature's garden; an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & Co, 1922)

Nature's garden; an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & Company, 1905)

Nature's garden; an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, 1920)

Nature's garden : With many color illustrations - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Garden City Pub. Co, 1900)

The Nature-study review : devoted to all phases of nature-study in elementary schools - American Nature Study Society. ([M.A. Bigelow], 1906)

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 Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1903)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1904)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1909)

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.], 1901)

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

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1899)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1847)

New England wild flowers and their seasons - Bailey, William Whitman, 1843 -1914 (Preston and Rounds, 1897)

New Jersey garden clubs help protect New Jersey holly - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph J. White, Inc, 1933)

New Jersey garden clubs help protect New Jersey holly - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph J. White, Inc, 1932)

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 plants not listed in catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henderson's Botanical Gardens, 1936)

New, rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebrecht & Son, 1900)

New rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nurseries, 1897)

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 : state floras - Gray, Asa, 1810 -1888 (various publishers, 1814)

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 1997)

NHS news - Northwest Horticultural Society. (Northwest Horticultural Society, 1988)

NHS news - Northwest Horticultural Society. (Northwest Horticultural Society, 1990)

No. 56 descriptive catalogue 1907 : choice trees, evergreens, shrubs, vines, roses, hardy perennials, fine fruits, etc - Kelsey, Frederick Wallace, 1850 -1935 (Frederick W. Kelsey, 1907)

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)

Die Nordamerikanische Vogelwelt - Ridgway, Robert, 1850 -1929 (G. Brumber, 1891)