List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1948)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1953)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1952)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1949)

London Naturalist - London Natural History Society. (London Natural History Society, 1949)

London Naturalist - London Natural History Society. (London Natural History Society, 1968)

London Naturalist - London Natural History Society. (London Natural History Society, 1984)

London Naturalist - London Natural History Society. (London Natural History Society, 1994)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1857)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1903)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1906)

Les maladies cryptogamiques des céréales - Loverdo, Jean. (J.-B. Baillire, 1892)

Les maladies cryptogamiques des plantes cultive´es - Marchal, Emile, 1871 -1954 (A. Castaigne, 1896)

Maladies des plantes cultivées - Delacroix, Georges, 1858 -1907 (J.-B. Baillière et fils, 1909)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1887)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1895)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1900)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1903)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1906)

A manual of botany - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (J. & A. Churchill, 1895)

A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants - Balfour, John Hutton, 1808 -1884 (A. and C. Black, 1875)

A manual of botany including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (J & A. Churchill, 1887)

A manual of botany, including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (J & A. Churchill, 1887)

A manual of botany: including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (John Churchill and Sons, 1870)

A manual of elementary materia medica - Wills, George S. V. (Simpkin, Marshall, Hamilton, Kent & Co, 1893)

A manual of materia medica and therapeutics including the preparations of the British pharmacopoeia (1867), and many other approved medicines - Royle, J. Forbes (John Forbes), 1798 -1858 (John Churchill & Sons, 1868)

A manual of organic materia medica and pharmacognosy; an introduction to the study of the vegetable kingdom and the vegetable and animal drugs (with syllabus of inorganic remedial agents) comprising the botanical and physical characteristics, source, constituents, pharmacopoeial preparations, insects injurious to drugs, and pharmacal botany - Sayre, Lucius Elmer. (Blakiston, 1917)

A manual of poisonous plants : chiefly of eastern North America : with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1911)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1910)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1910)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch press, 1911)

A manual of scientific terms, pronouncing, etymological, and explanatory, chiefly comprising terms in botany, natural history, anatomy, medicine, and veterinary science, with an appendix of specific names. Designed for the use of junior medical students, and others studying one or other of these sciences - Stormonth, James, 1824 -1882 (Maclachlan and Stewart, 1885)

A manual of veterinary hygiene - Smith, Frederick, 1857 -1929 (W. R. Jenkins, 1911)

Manuel d'histoire naturelle médicale - Royal College of Physicians of Edinburgh. (G. Bailliere, 1871)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1902)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1905)

Materia medica and therapeutics, an introduction to the rational treatment of disease - Bruce, J. Mitchell (John Mitchell), 1846 -1929 (Cassell, 1884)

Materia medica and therapeutics vegetable kingdom organic compounds animal kingdom - Phillips, Charles Douglas Fergusson, 1830 -1914 (J. & A. Churchill, 1886)

Materia medica of vegetable and animal origin with notes on the pharmacy of official drugs - Humphrey, John, 1862 - (Henry Kimpton, 1907)

Materica medica of India and their therapeutics - Katrak, Nanabhai Navrosji. (Printed at the "Times of India" Press, 1903)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1903)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1906)

Les mauvaises herbes du Canada - Fletcher, James 1852 -1908 (Ministère de l'agriculture, 1906)

Les mauvaises herbes et leurs graines, avec illustrations et descriptions - Canada. Department of Agriculture. Seed Division. (le Ministère, 1930)

Mémorandum des travaux de botanique et de physiologie végétale qui ont été publiés par l'Academie royale des sciences, des lettres et des beaux-arts de Belgique pendant le premier siècle de son existence (1772-1871) : rapport séculaire - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (F. Hayez, 1872)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1888)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1888)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1900)

Mededeelingen uitgaande van het Departement van Landbouw - Dutch East Indies. Departement van Landbouw. (G. Kolff & Co, 1913)

Mededeelingen van de Ned. Mycologische Vereeniging - Nederlandse Mycologische Vereniging. (Der Vereeniging, 1910)

Medical works of the fourteenth century : together with a list of plants recorded in contemporary writings, with their identifications - Henslow, George, 1835 -1925 (Chapman and Hall, 1899)

Medicinal plants. Being descriptions with original figures of the principal plants employed in medicine and an account of the characters, properties, and uses of their parts and products of medicinal value - Trimen, Henry, 1843 -1896 (J. & A. Churchill, 1880)

Medicinal plants of tropical and subtropical regions - Sievers, A. F. (Arthur Frederick), 1885 - (U.S. Dept. of Agriculture, 1942)

Medicinalflora : eine Einführung in die allgemeine und angewandte Morphologie und Systematik der Pflanzen, mit besonderer Rücksicht auf das Selbststudium für Pharmaceuten, Mediciner und Studirende - Müller, Carl, 1855 -1907 (J. Springer, 1890)

Medicinisch-pharmaceutische botanik zugleich als handbuch der systematischen botanik fur botaniker, arzte und apotheker - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1868)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1869)

Memoirs - Brooklyn Botanic Garden. (The Garden, 1918)

Memoirs of the Department of Agriculture in India. Botanical series - Agricultural Research Institute (India) (Published for the Imperial Dept. of Agriculture in India by Thacker, Spink, 1913)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1911)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1902)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1896)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1917)

The Merck/Merial manual for pet health - Kahn, Cynthia M., (Merck & Co, 2007)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (1885)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1877)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1880)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1881)

Michigan weeds - Beal, W. J. (William James), 1833 -1924 (Michigan Agricultural College Experiment Station, Botanical Dept, 1911)

Michigan weeds - Beal, W. J. (William James), 1833 -1924 (1915)

Micro-organisms, with special reference to the etiology of the infective diseases - Cheyne, William Watson, Sir, 1852 -1932 (New Sydenham Society, 1890)

Micro-organisms with special reference to the etiology of the infective diseases - Cheyne, William Watson, Sir, 1852 -1932 (The New Sydenham society, 1890)

The microanalysis of powdered vegetable drugs - Schneider, Albert, 1863 -1928 (Blakiston, 1921)

The microanalysis of powdered vegetable drugs - Schneider, Albert, 1863 -1928 (P. Blakiston's son & co, 1921)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (Kegan, Paul, Trench, 1886)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (Appleton, 1890)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (D. Appleton and Co, 1886)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (Kegan Paul, Trench, 1889)