A laboratory guide in elementary bacteriology - Frost, William Dodge, 1867 -1957 (The author, 1901)

Laboratory manual in general microbiology - Giltner, Ward, 1882 - (Wiley, 1916)

Laboratory manual in medical bacteriology - Columbia University. Dept. of Bacteriology. (Dougherty, 1929)

A laboratory manual in practical botany - Clark, Charles H. (Charles Herbert), 1854 - (American book company, 1898)

A laboratory manual of high school botany - Clements, Frederic E. (Frederic Edward), 1874 -1945 (The University publishing co, 1900)

A laboratory manual of soil bacteriology - Fred, Edwin Broun, 1887 -1981 (W. B. Saunders Company, 1916)

Laboratory methods of the United States Army - United States. Division of Infectious Diseases; Laboratories. (Lea & Febiger, 1919)

Laboratory work in bacteriology - Novy, Frederick G. (Frederick George), 1864 -1957 (G. Wahr, 1899)

A labortory guide in bacteriology, for the use of students, teachers, and practitioners - Heinemann, Paul Gustav (The University of Chicago press, 1905)

Leçons sur les bactéries - Bary, A. de (Anton), 1831 -1888 (G. Masson, 1886)

Lectures on bacteria - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1887)

Lectures on plant physiology - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Clarendon Press, 1907)

Lectures on plant physiology - Jost, Ludwig, 1865 -1947 (Clarendon Press, 1907)

Lectures on the physiology of plants - Vines, Sydney Howard, 1849 -1934 (Univ. Press, 1886)

Lectures on the physiology of plants - Vines, Sydney Howard, 1849 -1934 (University Press, 1886)

Lectures on the physiology of plants - Vines, Sydney Howard, 1849 -1934 (University press, 1886)

Lectures on the physiology of plants - Vines, Sydney Howard, 1849 -1934 (The University Press, 1886)

Lehrbuch der Botanik für Hochschulen - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1911)

Lehrbuch der Botanik; nach dem Gegenwärtigen Stand der Wissenschaft - Frank, Albert Bernhard, 1839 -1900 (W. Engelmann, 1892)

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 mitteleuropäischen Forstinsektenkunde mit einem Anhange : Die forstschädlichen Wirbelthiere - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Eduard Hölzel, 1885)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

Lehrbuch der ökologischen Pflanzengeographie - Warming, Eugenius, 1841 -1924 (Gebrüder Borntraeger, 1918)

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 Pflanzenphysiologie, mit besonderer Berücksichtigung der landwirtschaftlichen Kulturpflanzen - Frank, H. B (P. Parey, 1896)

Lehrbuch der Physiologie des Menschen : einschliesslich der Histologie und mikroskopischen Anatomie mit besonderer Berücksichtigung der praktischen Medicin - Landois, L. (Leonard), 1837 -1902 (Urban & Schwarzenberg, 1891)

Lehrbuch der Zoologie - Claus, Carl, 1835 -1899 (Elwert, 1897)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1891)

The lens - State Microscopical Society of Illinois. (State Microscopical Society of Illinois, 1873)

Lessons and laboratory exercises in bacteriology; an outline of technical methods introductory to the systematic study and identification of bacteria, arranged, for the use of students - Smith, Allen John, 1863 -1926 (P. Blakiston's son & co, 1902)

Lessons in elementary biology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1914)

Lessons in elementary biology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1893)

Lessons in elementary biology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1920)

Lessons in elementary biology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (MacMillan, 1891)

Life; a book for elementary students - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (University Press, 1923)

The life of Devils Lake, North Dakota - Young, R. T. (Robert Thompson), 1874 - (North Dakota biological station, 1924)

Life on the farm - Shepard, Hiram Hur, 1868 - (A. Flanagan co, 1901)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1955)

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

The luminescence of biological systems; proceedings of the conference on luminescence, March 28-April 2, 1954, sponsored by the Committee on Photobiology of the National Academy of Sciences-National Research Council and supported by the National Science Foundation - National Research Council (U.S.). Committee on Photobiology. (American Association for the Advancement of Science, 1955)

Malacologia - Institute of Malacology. (Institute of Malacology], 2011)

Maladies des plantes agricoles et des arbres fruitiers et forestiers causées par des parasites végétaux - Prillieux, Édouard-Ernest, 1829 -1915 (Didot, 1895)

Maladies des plantes cultivées - Delacroix, Georges, 1858 -1907 (J.-B. Baillière et fils, 1908)

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, 1889)

Management of post-harvest diseases of fruits, vegetables and tuber crops - Indian Council of Agricultural Research. Directorate of Knowledge Management in Agriculture. (Directorate of Knowledge Management in Agriculture, Indian Council of Agricultural Research, 2014)