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

National Boll Weevil Cooperative Control Program : final environmental impact statement-1991 - United States. Animal; Plant Health Inspection Service. (U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1991)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1899)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1901)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1902)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1904)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1905)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1916)

Natural history - American Museum of Natural History (American Museum of Natural History, 2006)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1920)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1942)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1906)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1897)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1898)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1899)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1901)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1902)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1903)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1907)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1908)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1909)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1911)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1913)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1916)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1917)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1923)

The nature and fate of chemicals applied to soils, plants, and animals : a symposium held April 27, 28, and 29, 1960, at the Plant Industry Station and Agricultural Research Center, Beltsville, Maryland - United States. Agricultural Research Service. (Agricultural Research Service, United States Department of Agriculture], 1960)

The nature of animal light - Harvey, E. Newton (Edmund Newton), 1887 -1959 (J. B. Lippincott, 1920)

The nature of the world and of man - Newman, Horatio Hackett, 1875 -1957 (University of Chicago Press, 1927)

Nature studies (plant life) - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (Blackie, 1903)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1911)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1901)

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, 1903)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1906)

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

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1912)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1896)

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.], 1915)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1917)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1922)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1971)

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

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

New or unusual plant injuries and diseases found in Connecticut, 1916-1919 - Clinton, G. P. (George Perkins), 1867 -1937 (Connecticut Agricultural Experiment Station, 1920)

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, 1910)

The New York Bight Project, 1975 : Stony Brook, Long Island, New York - Marine EcoSystems Analysis Program. (Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, 1976)

The newer knowledge of bacteriology and immunology - Falk, I. S. (Isidore Sydney), 1899 -1984 (The University of Chicago Press, 1928)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1980)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1981)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1992)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1984)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1983)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1990)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1986)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1987)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1975)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1979)

The nitrogen metabolism of micro-organisms - Fry, Bernard Alfred. (Methuen, 1955)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1982)

Norfolk natterjack - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists Society, 1998)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1923)

The nucleic acids: chemistry and biology - Chargaff, Erwin. (Academic Press, 1955)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1914)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2013)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1962)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1902)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1918)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1920)

On the value of an antibiotic substance of bacterial origin in the treatment of seed - Goodman, J. J. (University of Alberta, 1947)

The onion (ICAR-Directorate of Knowledge Management in Agriculture, Indian Council of Agricultural Research, 2015)

The Orchadian - Australasian Native Orchid Society (The Society, 1992)

The Orchadian - Australasian Native Orchid Society (The Society, 1993)

Orchard and farm (Calkins Newspaper Syndicate, 1898)

The origin of life on the earth - Oparin, Aleksandr Ivanovich, 1894 -1980 (Academic Press, 1957)

Outlines of bacteriology (technical and agricultural) - Ellis, David, 1874 -1937 (Longmans, Green, and co, 1909)

Outlines of bacteriology (technical and agricultural) - Ellis, David, 1874 -1937 (Longmans, Green and co, 1909)

Pacific science - University of Hawaii. (University Press of Hawaii, 1962)

Pamphlets on forest protection (1900)

Pamphlets on forestry in California (1900)

I parassiti vegetali delle piante coltivate od utili - Ferraris, Teodoro. (Sineo & Bo, 1913)

Pathogenic micro-organisms. A text-book of microbiology for physicians and students of medicine. (Based upon Williams' Bacteriology) - MacNeal, Ward J., 1881 -1946 (P. Blakiston's Son & Co, 1920)

Pathogenic micro-organisms : including bacteria and Protozoa; a practical manual for students, physicians and health officers - Park, William Hallock, 1863 -1939 (Kimpton, 1908)

Pathogenic micro-organisms; a text-book of microbiology for physicians and students of medicine - MacNeal, Ward J., 1881 -1946 (P. Blakiston's son & co, 1914)

Pathology and bacteriology for dental students - McConnell, Guthrie. (W. B. Saunders company, 1915)

The pathology and differential diagnosis of infectious diseases of animals : prepared for students and practitioners of veterinary medicine - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Macmillan, 1916)

The pathology and differential diagnosis of infectious diseases of animals - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Taylor & Carpenter, 1908)

The pathology and differential diagnosis of infectious diseases of animals - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Taylor & Carpenter, 1902)

Patologia vegetale. Fanerogame parassite, mixomiceti, bacterii, ifomiceti od eumiceti (funghi) - Voglino, Pietro. (Unione tipografico-editrice [Gia ditta Pomba e c], 1905)

Personality of plants - Dixon, Royal, 1885 -1962 (Boullion-Biggs, 1923)

Perspectives and horizons in microbiology, a symposium - Waksman, Selman A. (Selman Abraham), 1888 -1973 (Rutgers University Press, 1955)

Pest control by chemical, biological, genetic, and physical means; a symposium. Chairman: E. F. Knipling ... presented at the meeting of the American Association for the Advancement of Science, Section 0 on Agriculture, December 26-31, 1964 - Knipling, E. F. (Agricultural Research Service, U.S. Dept. of Agriculture, 1966)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)