Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1893)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1902)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1869)

Memorias da Academia Real das Sciencias de Lisboa - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1797)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1903)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1902)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1848)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1858)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1912)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1965)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1967)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1971)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1975)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1976)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1977)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1981)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1984)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1985)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1986)

Mineral salts absorption in plants - Sutcliffe, James Frederick. (Pergamon Press, 1962)

Minnesota algae - Tilden, Josephine E. (Josephine Elizabeth) (Published by authority of the Board of Regents of the University, 1910)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1909)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1998)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1982)

Mitteilungen der Geographischen Gesellschaft und des Naturhistorischen Museums in Lübeck - Geographische Gesellschaft in Lübeck (Lübcke & Nöhring, 1903)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1905)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1904)

Le Monde des plantes - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1894)

Le Monde des plantes - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1895)

Monograph on the Anguillulidae, or Free nematoids, marine, land, and freshwater, with descriptions of 100 new species - Linnean Society of London. (Linnean Society of London?, 1866)

The morphology of Ruppia maritima - Graves, Arthur Harmount, 1879 -1962 (Yale University, 1908)

Mosquitoes and wild life as interrelated problems in human ecology - Taylor, Norman, 1883 -1967 (University of the State of New York, 1938)

The Mountaineer (The Mountaineers, 1907)

Museum bulletin - Geological Survey of Canada. Museum. (Government Printing Bureau, 1917)

Museum bulletin - New York State Museum. (University of the State of New York, 1915)

Museum naturalium Academiae upsaliensis cujus partem primam [-XXXIII, ultimam] - Thunberg, Carl Peter, 1743 -1828 (Typis Edmannianis, 1791)

Museum naturalium Academiae upsaliensis cujus partem primam [-XXXIII, ultimam] - Thunberg, Carl Peter, 1743 -1828 (Typis Edmannianis, 1814)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1911)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1912)

Mycotrophy in plants; lectures on the biology of mycorrhizae and related structures - Kelley, Arthur Pierson, 1897 -1979 (Chronica Botanica Co, 1950)

Nachrichtenblatt der Bayerischen Entomologen - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1967)

[The Naiadaceae of North America] - Morong, Thomas, (Torrey Botanical Club, 1893)

nan sha qun dao ji qi lin jin dao yu zhi wu zhi - Xing, Fuwu & Wu Delin (hai yang chu ban she, 1996)

nan sha qun dao ji qi lin jin hai qu hai yang sheng wu duo yang xing yan jiu - Zhongguo ke xue yuan. Nan sha zong he ke xue kao cha dui (hai yang chu ban she, 1994)

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

Die Natur - Müller, Karl, 1818 -1899 (G. Schwetschke, 1852)

Natur Cymru : a review of wildlife in Wales - Natur Cymru, (Natur Cymru, 2008)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1909)

Natural and anthropogenic events impacting Florida Bay : 1910-1994 time line - National Status; Trends Program (U.S.) (U.S. Dept. of Commerce, NOAA, National Ocean Service, Office of Ocean Resources Conservation and Assessment, Coastal Monitoring and Bioeffects Assessment Division, 1995)

Natural areas inventory of Carteret County, North Carolina : for the North Carolina Natural Heritage Program, Coastal Natural Area Inventory Project - North Carolina. Coastal Energy Impact Program. (N.C. Coastal Energy Impact Program, Office of Coastal Management, N.C. Dept. of Natural Resources and Community Development, 1983)

Natural areas of the Chesapeake Bay Region: ecological priorities (1974)

A natural arrangement of British plants : according to their relations to each other as pointed out by Jussieu, De Candolle, Brown, &c - Gray, Samuel Frederick, 1766 -1828 (Baldwin, Cradock, and Joy, 1821)

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

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

The natural history of Sokotra and Abdel-Kuri : being the report upon the results of the Conjoint Expedition to these Islands in 1898-9, by Mr. W.R. Ogilvie-Grant ... and Dr. H.O. Forbes ... - Forbes, Henry O. (Henry Ogg), 1851 -1932 (The Free Public Museums, Henry Young and Sons, 1903)

A natural history of the ducks - Fuertes, Louis Agassiz, 1874 -1927 (Houghton Mifflin Company, 1923)

A natural history of the ducks - Fuertes, Louis Agassiz, 1874 -1927 (Houghton Mifflin Company, 1925)

A natural history of the ducks - Fuertes, Louis Agassiz, 1874 -1927 (Houghton Mifflin Company, 1926)

The natural history of Washington territory, with much relating to Minnesota, Nebraska, Kansas, Oregon, and California, between the thirty-sixth and forty-ninth parallels of latitude, being those parts of the final reports on the survey of the Northern Pacific railroad route, containing the climate and physical geography, with full catalogues and descriptions of the plants and animals collected from 1853 to 1857 - Gray, Asa, 1810 -1888 (Baillière brothers, 1859)

Natural regions, subregions and natural history themes of Alberta : a classification for protected areas management - Achuff, P. L. (Alberta Environmental Protection, 1994)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1878)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1928)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1934)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1939)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1946)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1975)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1997)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1999)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2007)

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)

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.], 1915)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1910)

Nature in Avon - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1991)

Nature Reserves of the Himalaya and the Mountains of Central Asia (1993)

Naturgeschichte der Insecten Deutschlands. 1. Abtheilung, Coleoptera - Reitter, Edmund, 1844 -1919 (Nicholaische Buchhandlung, 1893)

Naturhistorisk tidsskrift - Schiødte, J. C. (Jørgen Matthias Christian), 1815 -1884 (C.A. Reitzel, 1838)

Naturhistorisk tidsskrift - Schiødte, J. C. (Jørgen Matthias Christian), 1815 -1884 (C.A. Reitzel, 1842)

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)

Die Naturwissenschaften - Gesellschaft Deutscher Naturforscher und Ärzte. (Springer-Verlag, 1913)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1907)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1910)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1893)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1940)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1953)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1954)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1958)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1974)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1984)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1985)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1886)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1846)

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

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1903)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1904)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1920)

Nematodes, mostly Australian and Fijian - Cobb, Nathan Augustus, 1859 -1932 (1893)

Neptunia : rivista mensile per gli studi di scienza pura ed applicata sul mare e suoi organismi ([s.n.], 1891)

Neptunia : rivista mensile per gli studi di scienza pura ed applicata sul mare e suoi organismi ([s.n.], 1908)

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

Neue Beiträge zur Kenntniss der Embryobildung der Phanerogamen - Hofmeister, Wilhelm, 1824 -1877 (S. Hirzel, 1859)