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

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1883)

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)

Lessons on shells, as given to children between the ages of eight and ten, in a Pestalozzian school, at Cheam, Surrey - Mayo, Elizabeth, 1793 -1865 (R.B. Seeley, W. Burnside, 1838)

Lessons on shells, as given to children between the ages of eight and ten, in a Pestalozzian school, at Cheam, Surrey - Mayo, Elizabeth, 1793 -1865 (Seeley, Burnside, and Seeley, 1846)

Lethaea geognostica oder Abbildungen und Beschreibungen der für die Gebirgs-Formationen bezeichnendsten Versteinerungen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (1835)

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)

Letters to a young naturalist on the study of nature and natural theology - Drummond, James L. (James Lawson), 1783 -1853 (Longman, Rees, Orme, Brown, Green, & Longman, 1832)

Letters to a young naturalist on the study of nature and natural theology - Drummond, James L. (James Lawson), 1783 -1853 (Longman, Rees, Orme, Brown, and Green, 1831)

Life by the seashore : an introduction to natural history - Newbigin, Marion I. (Marion Isabel), 1869 -1934 (Swan Sonnenschein, 1910)

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

Life, letters, and works of Louis Agassiz - Marcou, Jules, 1824 -1898 (Macmillan and co, 1896)

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

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)

[A list of shells, mostly American, with notations of the places in which they were found and references to works which contain descriptions or illustrations of them] (1800)

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, 1851)

Loch Creran: notes from the West Highlands - Smith, William Anderson, 1842 - (Gardner, 1887)

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

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1837)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1839)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1840)

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1904)

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], 1905)

Magasin de zoologie. - Guérin-Méneville, F.-É. (Félix-Édouard), 1799 -1874 (Lequien fils,, 1835)

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, 1829)

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, 1835)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1839)

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

Malacologia - Institute of Malacology. (Institute of Malacology], 1967)

Malacologia - Institute of Malacology. (Institute of Malacology], 1968)

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