Die Klassen und Ordnungen des Thier-Reichs, wissenschaftlich dargestellt in Wort und Bild - Bronn, H. G. (Heinrich Georg), 1800 -1862 (C.F. Winter, 1862)

Det Kongelige Danske videnskabernes selskabs skrifter. Naturvidenskabelig og mathematisk afdeling - Kongelige Danske videnskabernes selskab. (1853)

Kosmos (Ernst Günther, 1882)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1814)

Kurzgefasste gemeinnützige Naturgeschichte des In- und Auslandes : für Schulen und häuslichen Unterricht - Bechstein, Johann Matthäus, 1757 -1822 (S. Crusius, 1794)

Kurzgefasstes systematisches Verzeichniss meiner Conchyliensammlung nebst Andeutung aller bis jetzt von mir bei Halle gefundenen : Land- und Flussconchylien zur Erleichterung des Tausches für Freunde der Conchyliologie - Schlüter, Fr. (Druck der Gebauerschen Buchdr, 1838)

Lamarck's genera of shells, with a catalogue of species - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Allen and Ticknor, 1833)

Lamarck's genera of shells : with a catalogue of species - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Allen and Ticknor, 1833)

Die Land-, Süsswasser- und See-Conchilien, nebst den übrigen Weichthieren und den Ringelwürmern und Pflanzenthieren : dargestellt in getreuen Abbildungen und mit ausführlicher Beschreibung - Reichenbach, A. B. (Anton Benedikt), 1807 -1880 (Verlag von Eduard Eisenach, 1842)

The larvæ of the British Lepidoptera and their food plants - Wilson, Owen S. (L. Reeve, 1880)

Latreille's Naturliche Familien des Thierreichs - Latreille, P. A. (Pierre André), 1762 -1833 (Im Verlage des Gr. H.S. priv. Landes-Industrie- Comptoirs, 1827)

Les lépidoptères de la Belgique ; leurs chenilles et leurs chrysalides décrits et figurés d'après nature - Dubois, Alphonse, 1839 -1921. (Librairie C. Muquardt, Merzbach et Falk succ, 1876)

Les lépidoptères de la Belgique ; leurs chenilles et leurs chrysalides décrits et figurés d'après nature - Dubois, Alphonse, 1839 -1921. (Librairie C. Muquardt, Merzbach et Falk succ, 1874)

Lecons élémentaires d'histoire naturelle, comprenant un apercu sur toute la zoologie et un traité de conchyliologie - Chenu, Jean-Charles, 1808 -1879 (Dauvin et Fontaine, 1847)

Leçons élémentaires sur l'histoire naturelle des animaux, conchyliologie; précédées d'un aperçu général sur la zoologie - Chenu, Jean-Charles, 1808 -1879 (J. J. Dubochet, Le Chevalier, 1847)

Leçons élémentaires sur l'histoire naturelle des animaux : précédées d'un aperçu général sur la zoologie. Conchyliologie - Rémond, N. (J.J. Dubochet, Le Chevalier et Ce, Éditeurs, 1847)

Leçons sur la physiologie et l'anatomie comparée de l'homme et des animaux / faites à la Faculté des Sciences de Paris par H. Milne Edwards - Milne-Edwards, H. (Henri), 1800 -1885 (Librairie de Victor Masson, 1858)

Lectures on comparative anatomy : in which are explained the preparations in the Hunterian collection - Royal College of Physicians of Edinburgh. (G. and W. Nicol, 1814)

Lectures on Mollusca; or, "Shell-fish" and their allies - Carpenter, Philip P. (Philip Pearsall), 1819 -1877 (Printed at the Congressional globe office, 1861)

Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal college of surgeons, in 1843 - Owen, Richard, 1804 -1892 (Longman, Brown, Green, and Longmans, 1843)

Lectures on the comparative anatomy and physiology of the invertebrate animals : delivered at the Royal College of Surgeons - Owen, Richard, 1804 -1892 (Longman, Brown, Green & Longmans, 1855)

Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal college of surgeons - Owen, Richard, 1804 -1892 (Longman, Grown, Green, and Longmans, 1855)

Lectures on the comparative anatomy and physiology of the vertebrate animals : delivered at the Royal College of Surgeons of England, in 1844 and 1846 ... Part 1. Fishes - Owen, Richard, 1804 -1892 (Longman, Brown, Green, and Longmans, 1846)

Lehrbuch der Naturgeschichte - Perleb, Karl Julius, 1794 -1845 (Friedrich Wagner, 1831)

Lehrbuch der praktischen vergleichenden Anatomie - Vogt, Karl Christoph, 1817 -1895 (Vieweg, 1894)

Lehrbuch der praktischen vergleichenden Anatomie - Vogt, Karl Christoph, 1817 -1895 (Vieweg, 1888)

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 (G. Fisher, 1900)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1892)

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

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

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

Lepidoptera; recueil d'études biologiques et systématiques sur les lépidoptères du globe - Le Cerf, Fernand, 1881 -1945 (P. Lechevalier, 1929)

Die Lepidopteren der Schweiz - Frey, Heinrich, 1822 -1890 (W. Engelmann, 1880)

Lepidopteren : gesammelt auf einer Reise durch Colombia, Ecuador, Perú, Brasilien, Argentinien und Bolivien in den Jahren 1868-1877 - Maassen, J. Peter, 1810 -1890 (A. Asher, 1890)

The lepidopterist's guide, for the use of the young collector of butterflies and moths - Knaggs, H. Guard (Henry Guard), 1832 -1908 (Gurney and Jackson, 1901)

Lethaea rossica, ou, Paléontologie de la Russie - Eichwald, Carl Eduard von, 1795 -1876 (E. Schweizerbart, 1852)

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)

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

The life of the mollusca - Woodward, Bernard Barham, 1853 -1930 (Methuen & Co, 1913)

List of American writers on recent conchology. With the titles of their memoirs and dates of publication - Tryon, George W., (George Washington), 1838 -1888 (Baillière brothers, 1861)

List of American writers on recent conchology. With the titles of their memoirs and dates of publication - Tryon, George W., (George Washington), 1838 -1888 (Baillière, 1861)

A list of British Lepidoptera and their named varieties - Robson, John E. (John Emmerson), 1833 -1907 (J. Kempster, 1880)

List of marine Mollusca comprising the Quaternary fossils and recent forms from American localities between Cape Hatteras and Cape Roque, including the Bermudas - Dall, William Healey, 1845 -1927 (Govt. Print. Off, 1885)

List of the specimens of birds in the collection of the British Museum - Gray, George Robert, 1808 -1872 (printed by the order of the Trustees, 1844)

List of the specimens of birds in the collection of the British Museum - Gray, George Robert, 1808 -1872 (printed by the order of the Trustees, 1848)

List of the specimens of birds in the collection of the British Museum - Gray, George Robert, 1808 -1872 (printed by the order of the Trustees, 1856)

List of the specimens of British animals in the collection of the British Museum. Parts V, X, XII, XVI, Lepidoptera - Stainton, H. T, (Henry Tibbats) 1822 -1892 (Printed by order of the trustees, 1850)

List of the specimens of lepidopterous insects in the collection of the British Museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1854)

List of the specimens of lepidopterous insects in the collection of the British Museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1856)

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, 1856)

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)

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, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1855)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1860)

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

Lunds universitets årsskrift. 2. Afd, Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1910)

Madras fisheries bulletin - Madras (India : State). Fisheries Bureau. (Printed by the Superintendent, Government Press, 1921)

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, 1830)

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, 1833)

Malacologia - Institute of Malacology. (Institute of Malacology], 1969)

Malacologia - Institute of Malacology. (Institute of Malacology], 1978)

Malacologia - Institute of Malacology. (Institute of Malacology], 1979)

Malacologia - Institute of Malacology. (Institute of Malacology], 1982)

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

Malacologia - Institute of Malacology. (Institute of Malacology], 2005)

Malacologia - Institute of Malacology. (Institute of Malacology], 2008)

Malacologia - Institute of Malacology. (Institute of Malacology], 2012)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1861)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1869)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1871)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1872)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1875)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1876)

A manual of conchology, according to the system laid down by Lamarck, with the late improvements by De Blainville exemplified and arranged for the use of students - Wyatt, Thomas, A. M. (Harper & brothers, 1838)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1880)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1879)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1888)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1894)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1887)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1888)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1897)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1885)

A manual of determinative bacteriology - Chester, Frederick D. (Frederick Dixon), 1861 -1943 (The Macmillan company; London, Macmillan & co., ltd, 1901)

Manual of geology, treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (Ivison, Blakeman, Taylor and Co, 1874)

Manual of geology: treating of the principles of the science with special reference to American geological history, for the use of colleges, academies, and schools of science - Dana, James Dwight, 1813 -1895 (T. Bliss, 1867)

Manual of geology, treating of the principles of the science, with special reference to American geological history, for the use of colleges, academies, and schools of science - Dana, James Dwight, 1813 -1895 (T. Bliss & co, 1863)

Manual of geology: treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (American book company, 1880)

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

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