Lehrbuch der vergleichenden mikroskopischen Anatomie mit Einschluss der vergleichenden Histologie und Histogenie - Fol, Hermann, 1845 -1892 (Engelmann, 1896)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1893)

Lehrbuch der Zoologie : eine morphologische Übersicht des Thierreiches zur Einführung in das Studium dieser Wissenschaft - Hatschek, Berthold, 1854 - (G. Fischer, 1888)

Lehrbuch der Zoologie für Studierende und Lehrer - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (G. Fischer, 1890)

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

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

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1883)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1892)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1910)

Leisure-time studies, chiefly biological. A series of essays and lectures - Wilson, Andrew, 1852 -1912 (Chatto & Windus, 1879)

Leitfaden bei zoologisch-zootomischen Präparirübungen für Studirende - Mojsisovics, August, edler von Mojsvár, 1848 -1897 (W. Engelmann, 1879)

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

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

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

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

Die Leitungsbahnen im Nervensystem der wirbellosen Tiere - Droogleever Fortuyn, Aemilius Bernardus, 1886 - (F. Bohn, 1920)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1879)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1898)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1913)

Life by the seashore : an introduction to natural history - Newbigin, Marion I. (Marion Isabel), 1869 -1934 (Swan Sonnenschein, 1910)

Life in its lower, intermediate, and higher forms : or, manifestations of the divine wisdom in the natural history of animals - Gosse, Philip Henry, 1810 -1888 (James Nisbet, 1857)

Life in its lower, intermediate, and higher forms, or, Manifestations of the Divine Wisdom in the natural history of animals - Gosse, Philip Henry, 1810 -1888 (Robert Carter & Bros, 1857)

Life in its lower, intermediate, and higher forms; or, Manifestations of the divine wisdom in the natural history of animals - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1857)

Life in its lower, intermediate, and higher forms; or, Manifestations of the divine wisdom in the natural history of animals - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1878)

List of the specimens of British animals in the collection of the British Museum - Gray, John Edward, 1800 -1875 (Printed by order of the Trustees, 1848)

Living lights; a popular account of phosphorescent animals and vegetables - Holder, Charles Frederick, 1851 -1915 (C. Scribner's Sons, 1892)

Living lights; a popular account of phosphorescent animals and vegetables - Holder, Charles Frederick, 1851 -1915 (S. Low, Marston, Searle, and Rivington, 1887)

Living lights : a popular account of phosphorescent animals and vegetables - Holder, Charles Frederick, 1851 -1915 (Sampson Low, Marston, 1887)

London Naturalist - London Natural History Society. (London Natural History Society, 1977)

London Naturalist - London Natural History Society. (London Natural History Society, 1982)

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)

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)

Macroinvertebrate bottom fauna of the Gambia River, West Africa - University of Michigan. Great Lakes; Marine Waters Center. (Great Lakes and Marine Waters Center, University of Michigan, 1985)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1836)

A manual of elementary zoology - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (H. Frowde, Hodder & Stoughton, 1920)

Manual of elementary zoology - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Oxford University Press, 1958)

Manual of human and comparative histology - Power, Henry, 1829 -1911 (The New Sydenham Society, 1870)

A manual of palaeontology for the use of students with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1889)

Manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1888)

Manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1901)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and Co, 1885)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and Company, 1901)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and company, 1888)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and company, 1878)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (J. & A. Churchill, 1877)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & Co, 1923)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & co, 1916)

A manual of the sub-kingdom Coelenterata - Greene, J. Reay, 1836 -1903 (Longman, Green, Longman, Roberts, & Green, 1863)

Manual of the sub-kingdom Cœlenterata - Greene, J. Reay, 1836 -1903 (Longman, Green, Longman and Roberts, 1861)

A manual of the sub-kingdom Cœlenterata - Greene, J. Reay, 1836 -1903 (Longmans, Green, and Co, 1869)

A manual of the sub-kingdom Protozoa. With a general introduction on the principles of zoology - Greene, J. Reay, 1836 -1903 (Longmans, Green, Longman, Roberts, & Green, 1868)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1912)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (The Macmillan Company, 1900)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1902)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1909)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1900)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan & co., ltd, 1899)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1887)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1895)

Marine flora and fauna of the northeastern United States. Scyphozoa Cnidaria - United States. National Marine Fisheries Service. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1976)

The marine invertebrates and fishes of St. Andrews - M'Intosh, William Carmichael, 1838 -1931 (A. and C. Black; [etc., etc.], 1875)

Marine zoology - Rufford, Philip James. (Archibald Constable & Company Limited, 1905)

Materials for the study of variation : treated with especial regard to discontinuity in the origin of species - Bateson, William, 1861 -1926 (Macmillan, 1894)

Materials for the study of variation treated with especial regard to discontinuity in the origin of species - Bateson, William, 1861 -1926 (Macmillan, 1894)

Materials for the study of variation treated with especial regard to discontinuity in the origin of species - Bateson, William, 1861 -1926 (Macmillan and co, 1894)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1920)

Mediterranean naturalist (1892)

Die medusen / von Otto Maas - Maas, Otto, 1867 -1916 (Printed for the Museum, 1897)

Die Medusen : Physiologisch und Morphologisch auf ihr Nervensystem untersucht - Eimer, Theodor, 1843 -1898 (H. Laupp, 1878)