Kunstformen der Natur - Bibliographisches Institut Leipzig. (Verlag des Bibliographischen Instituts, 1904)

Laboratory and field manual of botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn & company, 1907)

Laboratory and field manual of botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn & Company, 1907)

A laboratory guide for beginners in zoology - Weed, Clarence Moores, 1864 -1947 (Heath & co, 1902)

A laboratory guide for beginners in zoology - Weed, Clarence Moores, 1864 -1947 (D. C. Heath & Co, 1902)

Laboratory guide in zoology - University of Cambridge. (1900)

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

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

A laboratory manual of invertebrate zoology - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W. B. Saunders company, 1936)

A laboratory manual of invertebrate zoölogy, by Gilman A. Drew ... with the aid of former and present members of the zoölogical staff of instructors at the Marine biological laboratory, Woods Hole, Mass - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W. B. Saunders company, 1928)

Laboratory problems in civic biology - Hunter, George W. (George William), 1873 -1948 (American book company, 1916)

Laboratory problems in civic biology - Hunter, George W. (George William), 1873 -1948 (American Book Company, 1916)

Laboratory problems in civic biology - Hunter, George W. (George William), 1873 -1948 (American Book Co, 1916)

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 evolution of plants (The Macmillan company, 1899)

Lectures on the evolution of plants (The Macmillan company, 1910)

Lectures on the evolution of plants (The Macmillan Co, 1899)

Lectures on the physiology of plants - Sachs, Julius, 1832 -1897 (Clarendon Press, 1887)

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 Protozoenkunde / eine Darstellung der Naturgeschichte der Protozoen mit besonderer Berücksichtigung der parasitischen und pathogenen Formen - Doflein, Franz, 1873 -1924 (G. Fischer, 1911)

Lehrbuch der Protozoenkunde : eine Darstellung der Naturgeschichte der Protozoen mit besonderer Berücksichtigung der parasitischen und pathogenen Formen - Doflein, Franz, 1873 -1924 (Fischer, 1909)

Lehrbuch der Protozoenkunde; eine Darstellung der Naturgeschichte der Protozoen mit besonderer Berücksichtigung der parasitischen und pathogenen Formen - Doflein, Franz, 1873 -1924 (G. Fischer, 1916)

Leitfaden für das zoologische Praktikum - Kükenthal, W. G. (Willy Georg), 1861 -1922 (G. Fischer, 1912)

Leitfaden für das zoologische Praktikum - Kükenthal, W. G. (Willy Georg), 1861 -1922 (Gustav Fischer, 1910)

Lessons in botany - Atkinson, George Francis, 1854 -1918 (H. Holt and company, 1900)

Lessons in botany - Atkinson, George Francis, 1854 -1918 (Holt, 1900)

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)

Lichens - Smith, Annie Lorrain, 1854 - (Univ. Press, 1921)

A list of bibliographies of special subjects, July, 1902 - John Crerar Library. (Printed by order of the Board of Directors, 1902)

List of papers and meetings, abstracts of annual reports, and list of members / Leeds Naturalists' Club and Scientific Association - Leeds Naturalists' Club; Scientific Association. (1891)

A list of works on North American Fungi - Trelease, William, 1857 -1945 (Library of Harvard university, 1887)

A list of works on North American fungi - Trelease, William, 1857 -1945 (Library of Harvard University, 1887)

List of works relating to the natural history departments of the British Museum, to the end of the year 1910 - British Museum (Natural History) (Trustees of the British Museum, 1911)

The Liverworts : British and foreign - Fry, Agnes 1869 - (Witherby & co, 1911)

Living plants and their properties; a collection of essays - Arthur, Joseph Charles, 1850 -1942 (Baker and Taylor, 1898)

London Naturalist - London Natural History Society. (London Natural History Society, 1936)

London Naturalist - London Natural History Society. (London Natural History Society, 1937)

London Naturalist - London Natural History Society. (London Natural History Society, 1938)

London Naturalist - London Natural History Society. (London Natural History Society, 1939)

London Naturalist - London Natural History Society. (London Natural History Society, 1940)