The land and sea mammals of Middle America and the West Indies - Elliot, Daniel Giraud, 1835 -1915 (Field Columbian Museum, 1904)

Die Land- und Süsswasser-Conchylien der Vorwelt - Sandberger, Fridolin, 1826 -1898 (1870)

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

Leach's Systematic catalogue of the specimens of the indigenous mammalia and birds in the British Museum - Salvin, Osbert, 1835 -1898 ([Printed by R. and A. Taylor], 1882)

Das Leben der Walle in seiner Beziehung zum Athmen und zum Blutlauf. Nebst Bemerkungen uber die Benennung der Finnwalle - Barkow, Hans Carl Leopold, 1798 -1873 (Hirt, 1862)

Lebensbilder aus der Tierwelt - Meerwarth, Hermann, 1870 - (Voigtländer, 1912)

Lecons d'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Crochard, 1835)

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 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, 1857)

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)

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, 1861)

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, 1870)

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 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 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 Anatomie des Menschen - Gegenbaur, C. (Carl), 1826 -1903 (Engelmann, 1883)

Lehrbuch der Naturgeschichte - Burmeister, Hermann, 1807 -1892 (Anton und Gelbecke, 1830)

Lehrbuch der vergleichenden Anatomie - Royal College of Physicians of Edinburgh. (C. Winter, 1878)

Lehrbuch der vergleichenden Anatomie der Wirbellosen Thiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Veit, 1846)

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

Lehrbuch der vergleichenden mikroskopischen Anatomie der Wirbeltiere - Royal College of Physicians of Edinburgh. (G. Fischer, 1914)

Lehrbuch der vergleichenden mikroskopischen Anatomie der Wirbeltiere - Oppel, Albert, 1863 -1915 (Fischer, 1896)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1893)

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 - Voigt, F. S. (Friedrich Siegmund), 1781 -1850 (E. Schweizerbart, 1838)

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, 1843)

Lessons in elementary anatomy - Mivart, St. George Jackson, 1827 -1900 (MacMillan, 1889)

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

Letters from Alabama - Gosse, Philip Henry, 1810 -1888 (Morgan and Chase, 1859)

Libri de piscibus marinis : in quibus veræ piscium effigies expressæ sunt : quæ in tota piscium historia contineantur, indicat elenchus pagina nona et decima : postremo indices necessarij - Rondelet, Guillaume, 1507 -1566 (Apud Matthiam Bonhomme, 1554)

Life and letters of Alexander Goodman More, F.R.S.E., F.L.S., M.R.I.A., with selections from his zoological and botanical writings - More, Alexander Goodman, 1830 -1895 (Hodges, Figgis & co. (ltd.), 1898)

Life and letters of Alexander Goodman More, with selections from his zoological and botanical writings - More, Alexander Goodman, 1830 -1895 (Hodges, Figgis, 1898)

Life and rock: a collection of zooogical and geological essays - Lydekker, Richard, 1849 -1915 (The Universal Press, 1894)

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

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

The life of Richard Owen - Owen, Richard, 1804 -1892 (Murray, 1894)

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

Light science for leisure hours. A series of familiar esays on scientific subjects, natural phenomena, &c., &c - Proctor, Richard A. (Richard Anthony), 1837 -1888 (Appleton, 1871)

Light science for leisure hours, a series of familiar essays on scientific subjects, natural phenomena, etc - Proctor, Richard A. (Richard Anthony), 1837 -1888 (Longmans, 1871)

The Linnæan system of conchology : describing the orders, genera, and species of shells arranged into divisions and families : with a view to facilitate the student's attainment of the science - Mawe, John, 1764 -1829 (Printed for and sold by the author, and Longman, Hurst, Rees, Orme, and Brown, 1823)

List of North American recent mammals 1923 - Miller, Gerrit S. (Gerrit Smith), 1869 -1956 (Govt. Print. Off, 1924)

A list of the land and sea mammals of North America north of Mexico. Supplement to the synopsis - Elliot, Daniel Giraud, 1835 -1915 (1901)

List of the osteological specimens in the collection of the British Museum - British Museum (Natural History) (1847)

List of the specimens of Cetacea in the Zoological Department of the British Museum. By William Henry Flower - Flower, William Henry, 1831 -1899 (Printed by order of the Trustees, 1885)

List of the specimens of cetacea in the Zoological Department of the British Museum - Flower, William Henry, 1831 -1899 (Taylor, 1885)

List of the specimens of Mammalia in the collection of the British museum - Gray, John Edward 1800 -1875 (The Trustees, 1843)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1834)