Lehrbuch der vergleichenden Anatomie der Wirbellosen Thiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Veit, 1848)

Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere - Lang, Arnold, 1855 -1914 (Fischer, 1894)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Tiere : Specieller Thiel - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

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

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

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

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

Lehrbuch der Zootomie; anatomische Charakteristik der Thierklassen, als Einleitung in das Studium der Zoologie, vergleichenden Anatomie und Physiologie mit Hinweisung auf die Icones zootomicae - Frey, Heinrich, 1822 -1890 (Voss, 1847)

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)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1899)

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)

Letters and recollections of Alexander Agassiz - Agassiz, Alexander, 1835 -1910 (Constable, 1913)

Letters and recollections of Alexander Agassiz : with a sketch of his life and work - Agassiz, Alexander, 1835 -1910 (Houghton Mifflin, 1913)

Lexicon generum phanerogamarum inde ab anno MDCCXXXVII : cum nomenclatura legitima internationali et systemate inter recentia medio - Post, Thomas Erik von, 1858 -1912 (Deutsche verlags-anstalt, 1904)

Life and letters of Thomas Henry Huxley - Huxley, Leonard, 1860 -1933 (Macmillan & Co, 1908)

Life and letters of Thomas Henry Huxley - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and company, 1900)

Life and letters of Thomas Henry Huxley - Huxley, Leonard, 1860 -1933 (Macmillan, 1900)

Life and letters of Thomas Henry Huxley - Huxley, Thomas Henry, 1825 -1895 (Macmillan, 1903)

Life and letters of Thomas Henry Huxley - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1979)

The life-histories of the British marine food-fishes - M'Intosh, William Carmichael, 1838 -1931 (C. J. Clay and sons, 1897)

Lindenia : iconographie des orchidées - Cogniaux, Alfred, 1841 -1916 (Impr. F. Meyer-van Loo, 1887)

Lindenia : Iconographie des orchidées. Directeur J. Linden. Rédacteurs en chef : Lucien Linden & Emile Rodigas. Avec la collaboration de spécialistes éminents - Linden, Jean Jules, 1817 -1898 (Imprimerie à vapeur F. Meyer-Van Loo, 1887)

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 (Sampson Low, Marston, 1887)

The living world : containing descriptions of the several races of men, and all species of animals, birds, fishes, insects, etc., etc. : with numerous anecdotes, illustrative of their instincts, reasoning powers and domestic habits - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Samuel Walker & Co, 1868)

Le livre des orchidées - Kerchove de Denterghem, Oswald, comte de, 1844 -1906 (Hoste, 1894)

Loudon's encyclopaedia of plants; comprising the specific character, description, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous to, cultivated in, or introduced into Britain - Loudon, J. C. (John Claudius), 1783 -1843 (Longmans, Green, 1866)

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)

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A manual of marine zoology for the British Isles - Gosse, Philip Henry, 1810 -1888 (J. Van Voorst, 1855)

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)

A manual of palaeontology for the use of students with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood and sons, 1872)

A manual of palæontology, for the use of students; with a general introduction on the principles of palæontology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood and sons, 1879)

A manual of palæontology for the use of students : with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1872)

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

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

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)

Manual of the natural history, geology, and physics of Greenland, and the neighboring regions : prepared for the use of the Arctic Expedition of 1875, under the direction of the Arctic Committee of the Royal Society, for the use of the expedition ; published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (H.M. Stationery Off., printed by G.E. Eyre and W. Spottiswoode, 1875)

Manual of the natural history, geology and physics of Greenland and the neighbouring regions / prepared for the use of the Arctic expedition of 1875, under the direction of the Arctic Committee of the Royal Society and edited by T. Rupert Jones. Together with Instructions suggested by the Arctic Committee of the Royal Society for the use of the expedition / published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (Printed for H.M.S.O, 1875)

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)