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)

Lepidopteros do Brasil: contribuicao para a Historia Natural - Silva, Benedicto Raymundo da (Imprensa Nacional, 1907)

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

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

Lettres a Julie sur l'entomologie : suivies d'une description méthodique de la plus grande partie des insectes de France - Mulsant, Martial Étienne, 1797 -1880 (Louis Babeuf, 1830)

Lichenographia europaea reformata. : Praemittuntur lichenologiae fundamenta. Compendium in theoreticum et practicum lichenum studium - Fries, Elias, 1794 -1878 (typis Berlingianis, venditur apud E. Mauritium, Gryphiae, 1831)

Life histories of North American gallinaceous birds : orders Galliformes and Columbiformes - Bent, Arthur Cleveland, 1866 -1954 (Government Printing Office, 1932)

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)

List of duplicates of Japanese shells, marine, land, and fresh water - Stearns, Frederick, 1831 -1907 (J. F. Eby, printer, 1896)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1987)

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 mollusca and other forms of marine life collected in the years 1889-1890, in Japan - Stearns, F. (1891)

List of Mollusca and shells in the collection of the British Museum, collected and described by Eydoux and Souleyet - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1855)

List of papers contributions to natural history, etc. chiefly on the conchology of North America - Stearns, Robert E. C. (Robert Edwards Carter), 1827 -1909 (1872)

List of papers contributions to natural history, etc. chiefly on the conchology of North America - Stearns, Robert E. C. (Robert Edwards Carter), 1827 -1909 (1866)

List of the shells of Cuba in the . . . Museum collected by M. Ramon de la Sagra ; described by . . . A. d'Orbigny, in the "Histoire de l'Ile de Cuba." - British Museum (Natural History) (1854)

List of the shells of South America in the collection of the British Museum - Orbigny, Alcide Dessalines d', 1802 -1857 (Printed by order of the trustees, 1854)

List of the shells of the Canaries in the collection of the British Museum - Gray, John Edward 1800 -1875 (Printed by Order of the Trustees [by Taylor and Francis], 1854)

List of the specimens of hemipterous insects in the collection of the British Museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1851)

List of the specimens of homopterous insects in the collection of the British Museum ... - Gray, John Edward 1800 -1875 (Printed by Order of the Trustees, 1850)

List of the specimens of homopterous insects in the collection of the British Museum ... - Gray, John Edward 1800 -1875 (Printed by Order of the Trustees, 1858)

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, 1864)

Living volutes : a monograph of the recent Volutidae of the world - Weaver, Clifton Stokes (Delaware Museum of Natural History, 1970)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1832)

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1871)

The Macleay memorial volume - Linnean Society of New South Wales. (The Society, 1893)

Magasin de conchyliologie ou Descriptions et figures de mollusques vivants et fossiles inédits ou non encore figurés (1832)

Magasin de zoologie. - Guérin-Méneville, F.-É. (Félix-Édouard), 1799 -1874 (Lequien fils,, 1836)

Magasin de zoologie, d'anatomie comparée et de palaeontologie (Arthus Bertrand, 1845)

Magazin der Entomologie - Ahrens, August, 1779 -1841 (Joh. Chr. Hendel, 1817)

Magazin der Entomologie - Ahrens, August, 1779 -1841 (Joh. Chr. Hendel, 1818)

Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1805)

Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1807)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1837)

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, 1832)

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, 1837)

Magazine of zoology and botany - Westwood, J. O. (John Obadiah), 1805 -1893 (1837)

Malacologia - Institute of Malacology. (Institute of Malacology], 1963)

Malacologia - Institute of Malacology. (Institute of Malacology], 1964)

Malacologia - Institute of Malacology. (Institute of Malacology], 1971)

Malacologia - Institute of Malacology. (Institute of Malacology], 1973)

Malacologia - Institute of Malacology. (Institute of Malacology], 1976)

Malacologia - Institute of Malacology. (Institute of Malacology], 1975)

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

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

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

Malacologia - Institute of Malacology. (Institute of Malacology], 1986)

Malacologia - Institute of Malacology. (Institute of Malacology], 1990)

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

Malacologia - Institute of Malacology. (Institute of Malacology], 2011)

Malacologia del Mar Rosso : ricerche zoologiche e paleontologiche - Issel, Arturo, 1842 -1922 (Biblioteca malacologia, 1869)

Malacologische Untersuchungen - Bergh, Rudolph, 1824 -1909 (Kreidel, 1901)

Malacologische Untersuchungen - Bergh, Rudolph, 1824 -1909 (Kreidel, 1908)

Malacozoaires, ou, Animaux mollusques - Blainville, H.-M. Ducrotay de (Henri-Marie Ducrotay), 1777 -1850 (Chez F.-G. Levrault, 1828)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1854)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1857)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1860)

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

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1862)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1864)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1865)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1867)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1868)

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

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1870)

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, 1873)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1879)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1882)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1885)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1887)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1891)

Mantissa insectorum, exhibens species nuper in Etruria - Rossi, Pietro, fl 1790 - (Ex typ. Polloni, 1792)

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)