Lehrbuch der Mikrobiologie, mit besonderer Berücksichtigung der Seuchenlehre. Unter Mitwirkung von O. Bail [et al.] Hrsg. von Ernst Friedberger und Richard Pfeiffer - Pfeiffer, Richard, 1858 -1945 (G. Fischer, 1919)

Lehrbuch der pathologischen Mykologie; Vorlesungen für Ärzte und Studierende - Baumgarten, P. von (Paul von), 1848 -1928 (H. Bruhn, 1890)

Lehrbuch der pathologischen Mykologie; Vorlesungen für Arzte und Studirende - Baumgarten, P. von (Paul von), 1848 -1928 (H. Bruhn, 1890)

Lehrbuch der pilzparasitären Pflanzenkrankheiten mit besonderer Berücksichtigung der Krankheiten gärtnerischer Kulturgewächse - Höstermann, Gustav (P. Parey, 1923)

Lehrbuch der Toxikologie für Tierärzete - Fröhner, Eugen, 1858 -1940 (F. Enke, 1910)

Leipziger Bienenzeitung (Deutscher Bauernverlag, 1905)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1952)

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Life-like forms in meteorites and the problems of environmental control on the morphology of fossil and recent protobionta - Anders, Edward, 1926 - (The Academy, 1963)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1852)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1957)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1935)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1936)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1940)

Loudon's hortus britannicus : a catalogue of all the plants indigenous, cultivated in, or introduced to Britain - Loudon, J. C. (John Claudius), 1783 -1843 (Longman(etc],), 1850)

Loudon's Hortus britannicus.A catalogue of all the plants indigenous, cultivated in, or introduced to Britain. Part I. The Linnaean arrangement... Part II. The Jussieuean arrangement... - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for Longman, Rees, Orme, Brown, and Green, 1890)

Ludwig Darmstaedters Handbuch zur Geschichte der Naturwissenschaften und der Technik. In chronologischer Darstellung. 2., umgearb. und verm. Aufl. Unter Mitwirkung von R. du Bois-Reymond und C. Schaefer, hrsg. von L. Darmstaedter - Du Bois-Reymond, R. (René), 1863 -1938 (J. Springer, 1908)

Ludwig Darmstaedters Handbuch zur Geschichte der Naturwissenschaften und der Technik. In chronologischer Darstellung. 2., umgearb. und verm. Aufl. Unter Mitwirkung von Professor Dr. R. du Bois-Reymond und Oberst z.d.C. Schaefer, hrsg. von Professor Dr. L. Darmstaedter - Du Bois-Reymond, R. (René), 1863 -1938 (J. Springer, 1908)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1913)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1894)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1902)

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

Man-Mō shokubutsushi = Flora of Manchuria and East Mongolia - Minami Manshū Tetsudō Kabushiki Kaisha. Kōgyōbu. Nōmuka. (Minami Manshū Tetsudō Kabushiki Kaisha Kōgyōbu Nōmuka, 1925)

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Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (The Macmillan Company, 1903)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (H. Frowde, 1913)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (H. Frowde, Hodder & Stoughton, 1919)

Manual of bacteriology - Crookshank, Edgar M. (Edgar March), 1858 -1928 (H.K. Lewis, 1890)

A manual of bacteriology - Griffiths, A. B. (Arthur Bower), 1859 - (W. Heinemann, 1893)

Manual of bacteriology - Crookshank, Edgar M. (Edgar March), 1858 -1928 (Lewis, 1887)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (The Macmillan company, 1903)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (Macmillan, 1913)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (Young J. Pentland, 1897)

Manual of bacteriology - Muir, Robert, Sir, 1864 -1959 (Pentland, 1899)

A manual of bacteriology, clinical and applied - Hewlett, R. Tanner (Richard Tanner), 1865 -1940 (J. & A. Churchill, 1911)

A manual of bacteriology, clinical and applied - Royal College of Physicians of Edinburgh. (J. & A. Churchill, 1914)

A manual of bacteriology, clinical and applied - Hewlett, R. Tanner (Richard Tanner), 1865 -1940 (J. & A. Churchill, 1921)

A manual of bacteriology clinical and applied - Hewlett, R. Tanner (Richard Tanner), 1865 -1940 (C. V. Mosby company, 1914)

A manual of bacteriology for agricultural and general science students - Reed, Howard S. (Howard Sprague), 1876 -1950 (Ginn, 1914)

A manual of bacteriology for agricultural and general science students - Reed, Howard S. (Howard Sprague), 1876 -1950 (Ginn and company, 1914)

Manual of bacteriology for practitioners and students, with especial references to practical methods - Schenk, Samuel Leopold, 1840 -1902 (Longmans, Green, 1893)

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, functions, classification, properties and uses of plants - Bentley, Robert, 1821 -1893 (John Churchill, 1861)

A manual of histological pharmacognosy and bacteriology - Darbaker, Leasure Kline. (1921)

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record press, 1914)

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record Press, 1914)

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)