Leitfaden für das Aquarium der zoologischen Station zu Neapel - Stazione zoologica di Napoli. (Museum für Naturkunde - Leibniz-Institut für Evolutions- und Biodiversitätsforschung, 1905)

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 (Gustav Fischer, 1910)

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

Leitfossilien : ein Hilfsbuch zum Bestimmen von Versteinerungen bei geologischen Arbeiten in der Sammlung und im Felde - Dacqué, Edgar, 1878 -1945 (Verlag von Gebrüder Borntraeger, 1908)

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, 1859)

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

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1903)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1906)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1910)

Leucochloridium paradoxum. Monographische Darstellung der Entwicklungs- und Lebensgeschichte des Distomum macrostomum - Heckert, Gustav A. (T. Fischer, 1889)

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)

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, 1878)

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 (R. Carter, 1860)

Life in the sea; or, The nature and habits of marine animals - Wraxall, Frederick Charles Lascelles, Sir, bart., 1828 -1865 (Houlston & Wright, 1860)

Life of a Scotch naturalist : Thomas Edward, associate of the Linnaean society - Smiles, Samuel, 1812 -1904 (Harper & brothers, 1877)

The life of a Scotch naturalist, Thomas Edward, Associate of the Linaean society - Smiles, Samuel, 1812 -1904 (J. Murray, 1905)

Life of a Scotch naturalist: Thomas Edward, associate of the Linnaean Society - Smiles, Samuel, 1812 -1904 (Harper & brothers, 1876)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (John Murray, 1877)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (J. Murray, 1876)

The life of crustacea - Calman, W. T. (William Thomas), 1871 -1952 (Methuen, 1911)

The life of Crustacea, by W. T. Calman, D. SC. With thirty-two plates and eighty-five figures - Calman, W. T. (William Thomas), 1871 -1952 (The Macmillan company, 1911)

The life of Crustacea - Calman, W. T. (William Thomas), 1871 -1952 (Methuen, 1911)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (J. Murray, 1877)

The life of vertebrates - Young, J. Z. (John Zachary), 1907 -1997 (Oxford University Press, 1962)

Life on the earth its origin and succession - Phillips, John, 1800 -1874 (Macmillan, 1860)

List of marine invertebrata from the New England Coast : distributed by the U.S. Commission of Fish and Fisheries. Series I. Distributed in fifty sets, put up by Mr. Richard Rathbun, under the direction of Professor A.E. Verrill, 1879 - Verrill, A. E. (Addison Emery), 1839 -1926 (The Institution, 1881)

List of marine invertebrates from the New England coast, distributed by the United States National Museum. Series III, Educational series - Verrill, A. E. (Addison Emery), 1839 -1926 (United States National Museum, 1882)

List of marine invertebrates, mainly from the New England coast, distributed by the United States National Museum. Series II - Verrill, A. E. (Addison Emery), 1839 -1926 (United States National Museum, 1882)

List of the British Marine invertebrate fauna - McAndrew, Robert. (Taylor and Francis, 1860)

List of the British marine invertebrate fauna. For the Dredging Committee of the British Association - McAndrew, Robert. (Taylor and Francis, 1860)

A list of the publications of the United States National Museum (1875-1900) including the Annual reports, Proceedings, Bulletins, Special bulletins, and Circulars, with index of titles - United States National Museum (Govt. Print. Off, 1902)

A list of the publications of the United States National museum (1875-1900) including the Annual reports, Proceedings, Bulletins, Special bulletins, and Circulars, with index to titles - United States National Museum (Govt. print. off, 1902)

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)

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)

A list, with descriptions, illustrations, and prices, of whatever relates to aquaria - Lloyd, William Alford ([Hayman Bros., printers], 1858)

The littoral marine fauna of Provincetown, Cape Cod, Massachusetts - United States National Museum ([s.n.], 1881)

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)

Living organisms : an account of their origin & evolution - Goodrich, Edwin S. (Edwin Stephen), 1868 -1946 (Clarendon Press, 1924)

L.M.B.C. memoirs on typical British marine plants and animals - Liverpool Marine Biology Committee. (Liverpool Marine Biology Committee, 1899)