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 (Fischer, 1894)

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

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, 1892)

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)

Die Leitfossilien : ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen - Koken, Ernst (Ernst Friedrich Rudolf Karl), 1860 -1912 (Chr. Herm. Tauchnitz, 1896)

Die Leitfossilien, ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen - Koken, Ernst (Ernst Friedrich Rudolf Karl), 1860 -1912 (H. Tauchnitz, 1896)

Le Léman : monographie limnologique - Forel, F. A. (François Alphonse), 1841 -1912 (F. Rouge, 1904)

The life of Devils Lake, North Dakota - Young, R. T. (Robert Thompson), 1874 - (North Dakota biological station, 1924)

The life of inland waters; an elementary text book of freshwater biology for American students - Needham, James G. (James George), 1868 -1957 (The Comstock publishing company, 1916)

The life of inland waters : an elementary text book of fresh-water biology for American students - Needham, James G. (James George), 1868 -1957 (Comstock Pub. Co, 1916)

The life of inland waters; an elementary text book of fresh-water biology for students - Needham, James G. (James George), 1868 -1957 (Comstock Publishing Co, 1937)

The life of inland waters; an elementary textbook of fresh-water biology for students - Needham, James G. (James George), 1868 -1957 (C. C. Thomas, 1930)

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)

The Lowell lectures on the ascent of man - Drummond, Henry, 1851 -1897 (J. Pott, 1894)

The Lowell lectures on the ascent of man - Drummond, Henry, 1851 -1897 (Hodder and Stoughton, 1901)

The Lowell lectures on the ascent of man - Drummond, Henry, 1851 -1897 (J. Pott & co, 1908)

The Lowell lectures on the ascent of man - Drummond, Henry, 1851 -1897 (J. Pott, 1899)

The Lowell lectures on the ascent of man - Drummond, Henry, 1851 -1897 (J. Pott, 1901)

The Lowell lectures on the ascent of man - Drummond, Henry, 1851 -1897 (Hodder and Stoughton, 1910)

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

Madras fisheries bulletin - Madras (India : State). Fisheries Bureau. (Printed by the Superintendent, Government Press, 1922)

Malacologia - Institute of Malacology. (Institute of Malacology], 1966)

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

Malacologia - Institute of Malacology. (Institute of Malacology], 1991)

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

Malacologia - Institute of Malacology. (Institute of Malacology], 1996)

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

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, 1902)

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

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

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1883)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1886)

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, 1893)

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 - 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 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)

A manual of the Mollusca; being a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (C. Lockwood, 1880)

A manual of the Mollusca : or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the mollusca; or, Rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca : a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue & Co, 1868)

A manual of the Mollusca: a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue Brothers & Co, 1866)

A manual of zoology - Council of Public Instruction of France (H. Renshaw, 1856)

A manual of zoology - Knox, Robert, 1791 -1862 (Renshaw, 1863)

A manual of zoology for the use of students ... , with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1873)

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, 1870)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (D. Appleton, 1877)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (William Blackwood, 1878)

A manual of zoology for the use of students : with a general introd. on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (William Blackwood 8 Sons, 1887)

A manual of zoology for the use of students - Nicholson, Henry Alleyne, 1844 -1899 (R. Hardwicke, 1870)

Manuel d'actinologie ou de zoophytologie - Blainville, H.-M. Ducrotay de (Henri-Marie Ducrotay), 1777 -1850 (1834)

Manuel de conchyliologie et de paleontologie conchyliologique : ou, Histoire naturelle des mollusques vivants et fossiles - Fischer, Paul, 1835 -1893 (F. Savy, 1887)

Manuel de conchyliologie et paléontologie conchlyliologique - Chenu, Jean-Charles, 1808 -1879 (V. Masson, 1859)

Manuel de conchyliologie et paléontologie conchlyliologique - Chenu, Jean-Charles, 1808 -1879 (Victor Masson, 1859)

Manuel de conchyliologie, ou, Histoire naturelle des mollusques vivants et fossiles - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Savy, 1870)

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

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

Manuel de paléontologie - Hoernes, Rudolf, 1850 -1912 (Savy, 1886)

Marine shells of South Africa: a catalogue of all the known species - Sowerby, G. B. (George Brettingham), 1843 -1921 (Sowerby, 1892)