Lehrbuch der praktischen Pflanzenkunde in Wort und Bild : für Schule und Haus, für Gebildete aller Stände : mit über 1000 Abbildungen auf 60 colorirten Tafeln in Doppelfolio und 214 Holzschnitten - Hoffmann, Carl, 1802 -1883 (Hoffmann'sche Verlags-Buchhandlung, 1880)

Leitfaden der Biologie der Fische - Haempel, Otto. (F. Enke, 1912)

Leitfaden der planktonkunde, von dr. Adolf Steuer ... mit 279 abbildungen im text und 1 tafel - Steuer, Adolf, 1871 - (B.G. Teubner, 1911)

The lens - State Microscopical Society of Illinois. (State Microscopical Society of Illinois, 1872)

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

Lethaea geognostica oder Abbildungen und Beschreibungen der für die Gebirgs-Formationen bezeichnendsten Versteinerungen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (1838)

Life and letters of Sir Joseph Dalton Hooker ... - Hooker, Joseph Dalton, 1817 -1911 (J. Murray, 1918)

Life and letters of Sir Joseph Dalton Hooker, O.M., G.C.S.I. : based on materials collected and arranged by Lady Hooker - Hooker, Joseph Dalton, 1817 -1911 (J. Murray, 1918)

Life in the sea - Johnstone, James, 1870 -1932 (The University Press, 1911)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1830)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1838)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1840)

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

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1842)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1843)

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

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1853)

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

A list of common and scientific names of fishes from the United States and Canada. Report presented at the eighty-ninth annual meeting, Clearwater, Fla., Sept. 16-18, 1959 - American Fisheries Society. Committee on Names of Fishes. (1960)

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 (Imp. J.-E. Buschmann, 1905)

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)

Literary papers by the late Professor Edward Forbes - Reeve, Lovell, 1814 -1865 (L. Reeve, 1855)

Literaturberichte zur Flora, oder Allgemeinen botanischen Zeitung - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (K. Bayerische Botanische Gesellschaft, 1831)

The living plant; a description and interpretation of its functions and structure - Ganong, William Francis, 1864 -1941 (H. Holt, 1913)

Livre rouge des espèces menacées en France - Beaufort, François de, 1936 -1995 (Secrétariat de la faune et de la flore, Museum nationale d'histoire naturelle, 1987)

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, 1845)

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, 1847)

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, 1848)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1858)

Louis Agassiz; his life and correspondence - Agassiz, Elizabeth Cabot Cary, 1822 -1907 (Houghton, Mifflin and company, 1893)

Louis Agassiz, his life and correspondence - Agassiz, Louis, 1807 -1873 (Macmillan, 1885)

Louis Agassiz, his life and correspondence - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin, 1887)

Louis Agassiz; his life and correspondence - Agassiz, Elizabeth Cabot Cary, 1822 -1907 (Houghton, Mifflin and company, 1885)

The lower animals; living invertebrates of the world - Buchsbaum, Ralph, 1907 -2002 (Doubleday, 1960)

Madagascar: profil de l'environnement (1990)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1937)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1944)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1951)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1973)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1902)

Malacologia - Institute of Malacology. (Institute of Malacology], 1977)

Malacologia - Institute of Malacology. (Institute of Malacology], 1988)

Malacologia - Institute of Malacology. (Institute of Malacology], 1993)

Malacologia - Institute of Malacology. (Institute of Malacology], 2004)

Malacologische Untersuchungen - Bergh, Rudolph, 1824 -1909 (Kreidel, 1870)

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, 1913)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1914)

Mammalia, recent and extinct; an elementary treatise for the use of the public schools of New South Wales - Scott, A. W. (Alexander Walker), 1800 -1883 (Thomas Richards, 1873)

Mammalia, recent and extinct; an elementary treatise for the use of the public schools of New South Wales - Scott, A. W. (Alexander Walker), 1800 -1883 (T. Richards, government printer, 1873)

Mammals of Padre Island National Seashore, Texas - Jones, Gerrad D. (Museum of Texas Tech University, 2013)

Manipolo di alghe del Mar Rosso : memoria - Piccone, Antonio, 1844 -1901 (Reale Accademia dei Lincei, 1889)

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: being an introduction to the study of the structure, physiology, and classification of plants - Balfour, John Hutton, 1808 -1884 (J. J. Griffin [etc.] 1851, 1851)

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 botany: including the structure, functions, classification, properties and uses of plants - Bentley, Robert, 1821 -1893 (John Churchill, 1861)

Manual of geology, treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (American Book Co, 1896)

A manual of natural history, for the use of travellers : being a description of the families of the animal and vegetable kingdoms: with remarks on the practical study of geology and meteorology. To which are appended directions for collecting and preserving - Adams, Arthur, 1820 -1878 (J. Van Voorst, 1854)

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 the British Algae. Containing generic and specific descriptions of all the known British species of sea-weeds, and of conferae, both marine and fresh-water - Harvey, William H. (William Henry), 1811 -1866 (J. Van Voorst, 1841)

A manual of the British marine Algae... - Harvey, William H. (William Henry), 1811 -1866 (J. Van Voorst, 1849)

A manual of the British marine algae: containing generic and specific descriptions of all the known British species of sea-weeds - Harvey, William H. (William Henry), 1811 -1866 (J. Van Voorst, 1849)

A manual of the Mollusca : or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the mollusca; or, Rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

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

Manuel de conchyliologie et de paleontologie conchyliologique : ou, Histoire naturelle des mollusques vivants et fossiles - Fischer, Paul, 1835 -1893 (F. Savy, 1887)

Marine Algae of Beaufort, N. C., and adjacent regions - Hoyt, William Dana, 1880 - (Govt. Print. Off, 1920)