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The Kansas University science bulletin - University of Kansas. Museum of Natural History. (The University, 1920)

Katalog der in der Paläarctischen Region lebenden Binnenconchylien - Westerlund, Carl Agardh, 1831 -1908 (E.G. Johansson's Buchdruckerei, 1890)

Kellogg Seed Company : field, grass and bird seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kellogg Seed Company, 1949)

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Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1892)

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Les Lamellibranches de l'Expedition du Siboga - Dautzenberg, Ph. (Philippe), 1849 -1935 (E. J. Brill, 1912)

Landmollusken : Ergänzungen und Berichtigungen zum III. Bande, Die Landmollusken - Möllendorff, Otto Franz von, 1848 -1903 (Kreidel, 1911)

Langstroth on the hive and honey bee - Dadant, C.-P. (Camille Pierre), 1851 -1938 (Dadant, 1907)

A Lavoura (Sociedade Nacional de Agricultura, 1922)

A Lavoura (Sociedade Nacional de Agricultura, 1926)

A Lavoura (Sociedade Nacional de Agricultura, 1928)

A Lavoura (Sociedade Nacional de Agricultura, 1950)

A Lavoura (Sociedade Nacional de Agricultura, 1951)

A Lavoura (Sociedade Nacional de Agricultura, 1957)

A Lavoura (Sociedade Nacional de Agricultura, 1958)

A Lavoura (Sociedade Nacional de Agricultura, 1969)

Lexicon Entomologicum, oder Entomologisches Wörterbuch - Möller, C.H. ([s.n.], 1795)

Lindenia : iconography of orchids - Linden, Jean Jules, 1817 -1898 (L. Linden, 1891)

The Lingnaam agricultural review - Ling Nan Da Xue (Guangzhou, China) (College Press, 1927)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1826)

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Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1841)

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Linnes Pluto svecicus och beskrifning ofwer stenriket - Benedicks, Carl. (1907)

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Liste des algues marines : observées jusqu'a ce jour entre l'embouchure de l'Escaut et la Corogne (incl. îles anglo-normandes) - Chalon, Jean, 1846 -1921 (J.-E. Buschmann, 1905)

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1866)

The London journal of botany : containing figures and descriptions of such plants as recommend themselves by their novelty, rarity, history, or uses : together with botanical notices and information and and occasional portraits and memoirs of eminent botanists - Hooker, William Jackson, Sir, 1785 -1865 (H. Baillière, 1842)

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The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1924)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag)

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Mantissa in volumen primum [-tertium] :Systematis vegetabilium caroli a Linné : ex editione Joan. Jac. Roemer et Jos. Aug. Schultes - Schultes, Joseph August, 1773 -1831 (Sumtibus J.G. Cottae, 1822)

Mantissa in volumen primum [-tertium] :Systematis vegetabilium caroli a Linné : ex editione Joan. Jac. Roemer et Jos. Aug. Schultes - Schultes, Joseph August, 1773 -1831 (Sumtibus J.G. Cottae, 1827)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2003)

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A manual of bacteriology - Bolton, B. Meade (Benjamin Meade), 1857 -1929 (P. Blakiston's Son & Co, 1908)

A manual of exotic ferns & Selaginella comprising descriptions of over one thousand species and varieties, and upwards of six hundred synonyms; also notes on their history, culture, & mangement - Sandford, E. (H. J. Infield, 1882)

A manual of Indian timbers: an account of the structure, growth, distribution, and qualities of Indian woods - Gamble, J. S. (James Sykes), 1847 -1925 (Office of the Superintendent of Govt. Printing, 1881)

A manual of the Infusoria : including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign, and an account of the organization and the affinities of the sponges - Saville-Kent, William 1845 -1908 (D. Bogue, 1881)

A manual of the Mollusca : a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue & Co, 1868)

Manual of the New Zealand Mollusca. A systematic and descriptive catalogue of the marine and land shells, and of the soft mollusks and Polyzoa of New Zealand and the adjacent islands - Hutton, Frederick Wollaston, 1836 -1905 (Printed at the office of J. Hughes, 1880)

The manufacture of ethyl alcohol from wood waste - Kressman, Frederick William, 1888 - (U.S. Dept. of Agriculture, 1922)

Martini Vahlii, profess. botan. Haun. membr. societ. lit. plur. Enumeratio plantarum :vel ab aliis, vel, ab ipso observatum, cum earum differentiis specificis, synonymis selectis et descriptionibus succinctis - Vahl, M. (Martin), 1749 -1804 (Impenis auctoris, & prostat apud J.H. Schubothe, 1804)

Materials for a flora of Formosa : supplementary notes to the Enumeratio plantarum Formosanarum and Flora montana Formosae - Hayata, Bunzō, 1874 -1934 (1911)

Materials for a flora of the Malayan Peninsula - King, George, 1840 -1909 (1889)

Mémoires de l'Académie impériale des sciences de St. Pétersbourg. 5e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Académie impériale des sciences, 1802)

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Mémoires de l'Académie impériale des sciences de St. Pétersbourg. 5e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Académie impériale des sciences, 1822)

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The Metasyrphus species of North America (Diptera, Syrphidae) - Fluke, Charles Lewis, 1891 -1959 (American Museum of Natural History, 1952)

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