A naturalist in the Bahamas - Osborn, Henry Fairfield, 1857 -1935 (Columbia University Press, 1910)

A naturalist in the Bahamas, John I. Northrop, October 12, 1861-June 25, 1891; a memorial volume - Osborn, Henry Fairfield, 1857 -1935 (Columbia University Press, 1910)

A naturalist in the Bahamas: John I. Northrop, October 12 1861 - June 25, 1891: a memorial volume - Osborn, Henry Fairfield, 1857 -1935 (Columbia University Press, 1910)

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

A naturalist in the Great Lakes region - Downing, Elliot Rowland, 1868 -1944 (The 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.], 1869)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1872)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1879)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1890)

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.], 1896)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1898)

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.], 1922)

The naturalists' quarterly (George A. Bates], 1880)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1871)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1874)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1877)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1878)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1880)

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

Nature in Avon - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 2008)

Nature's diary - Thoreau, Henry David, 1817 -1862 (Houghton, Mifflin, 1897)

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 - American Nature Study Society. (Comstock Pub. Co, 1905)

The Nature-study review : devoted to all phases of nature-study in elementary schools - American Nature Study Society. ([M.A. Bigelow], 1922)

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, 1908)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1887)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1888)

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.], 1899)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1907)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1909)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1912)

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, 1846)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1849)

Neues allgemeines Garten-Magazin - Bernhardi, Johann Jacob, 1774 -1850 (Im Verlage der Grossherzogl. Sachs. priv. Landes-Industrie-Comptoirs, 1828)

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

Neues Journal für die Botanik - Schrader, H. A. (Heinrich Adolph),‏ 1767 -1836 (Friedrich August Knick, 1807)

New book of flowers - Breck, Joseph, 1794 -1873 (O. Judd & company, 1866)

The new botanic garden : illustrated with one hundred and thirty-three plants - Dickson, R. W. (Printed for John Stockdale, Piccadilly, by T. Bensley, Bolt-Court, Fleet-Street.,c, 1812)

The new botanic garden - Edwards, Sydenham, 1768 -1819 (J. Stockdale, 1812)

New edition of botany for beginners : an introduction to Mrs. Lincoln's lectures on botany for the use of public schools, and the younger pupils of higher schools and academies - Phelps, Lincoln, Mrs., 1793 -1884 (Claxton, Remsen & Haffelfinger, 1875)

The New England farmer (Thomas W. Shepard, 1822)

New England farmer, and gardener's journal (George C. Barrett, 1838)

New England farmer, and horticultural register (1839)

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 rarities discovered in birds, beasts, fishes, serpents, and plants of that country - Tuckerman, Edward, 1817 -1886 (William Veazie, 1865)

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

The new family herbal comprising a description and the medical virtues of British and foreign plants, founded on the works of eminent modern English and American writers on the medical properties of herbs; to which is added, the botanic family physician; valuable medical receipts; and important directions regarding diet , clothing, bathing, air, exercise, &c., &c - University of Glasgow. Library. (William Nicholson and Sons, 1872)

The new family herbal comprising a description, and the medical virtues of British and foreign plants, founded on the works of eminent modern English and American writers on the medical properties of herbs: to which is added, The botanic family physician; valuable medical receipts; and important directions regarding diet, clothing, bathing, air, exercise, &c., &c - Robinson, Matthew. (W. Nicholson & Sons, 1863)

The new gardening: a guide to the most recent developments in the culture of flowers, fruits, and vegetables - Wright, Walter P. (Walter Page), 1864 -1940 (Doubleday, Page and company, 1913)

New guide to rose culture : 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1894)

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)

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

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

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, 1925)

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

New Zealand journal of science (1884)

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

Newfoundland in 1842 a sequel to "The Canadas in 1841." - Bonnycastle, Richard Henry, Sir, 1791 -1847 (H. Colburn, 1842)

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 1996)

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2000)

Nomenclator extemporaneus rerum naturalium: plantarum, insectorum, conchyliorum, secundam systema naturæ linnæanum - Linné, Carl von, 1707 -1778 (Typis L. L. Grefingii, 1759)

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

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)

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

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

North American wild flowers - Walcott, Mary Vaux, 1860 -1940 (Smithsonian Institution, 1925)

North American wild flowers - Traill, Catherine Parr Strickland, 1802 -1899 (s.n, 1870)

North Wisconsin native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. G. Knowlton, 1929)

North Wisconsin wildings from the Green Grassy Hollow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. G. Knowlton, 1932)

North Wisconsin wildlings from the Green Grassy Hollow ; F. G. Knowlton - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Green Grassy Hollow, 1930)

Notes for a flora of Nova Scotia Part I - Nova Scotian Institute of Science. (s.n, 1891)

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

Notes on the flora of Connecticut. Second series - Driggs, Alfred Waldo, 1875 - (State Board of Education, 1902)

Notes on the flora of Newfoundland - Fernald, Merritt Lyndon, 1873 -1950 (1925)

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

Notes on the flora of western Nova Scotia, 1921 - Fernald, Merritt Lyndon, 1873 -1950 (Gray Herbarium of Harvard University, 1922)

Notes on the natural history of Labrador - Bush, Katharine J. (Katharine Jeannette), 1855 -1937 (s.n, 1883)

Notice biographique sur M. Joseph Decaisne - Bornet, Ed. (Edouard), 1828 -1911 (Imp. Tolmer, 1883)

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)

Nouvelle flore usuelle et médicale, ou, Histoire et description de tous les végétaux utiles, tant indigènes qu'exotiques, avec leur application à la médecine et à l'horticulture - Dupuis, Aristide, 1823 -1883 (Firmin Didot frères, 1853)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1841)

Nova acta Regiae Societatis Scientiarum Upsaliensis - Kungl. Vetenskaps-societeten i Uppsala. (Almqvist & Wiksells, 1905)

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)

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)

Observations on the geology, zoology and botany of Hudson's Strait and Bay made in 1885 - Geological; Natural History Survey of Canada. (Dawson, 1885)

Observations on the geology, zoology and botany of Hudson's Strait and Bay, made in 1885 - Geological; Natural History Survey of Canada. (Dawson Brothers, 1885)

Observing, photographing, and collecting plants - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1980)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1915)

Occasional papers of the Farlow Herbarium of Cryptogamic Botany - Farlow Reference Library; Herbarium. (Harvard University, Farlow Herbarium of Cryptogamic Botany, 1980)

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

October sowings : Oct. 1939 (a garden preview of 1940) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1939)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1862)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1864)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1869)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1878)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1879)

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

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

Official guide to the museums of economic botany. No. 1, Dicotyledons - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1907)