Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere - Lang, Arnold, 1855 -1914 (Fischer, 1894)

Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere - Lang, Arnold, 1855 -1914 (G. Fisher, 1900)

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

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1891)

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 in a Pestalozzian school, at Cheam, Surrey - Mayo, Elizabeth, 1793 -1865 (C. J. Folsom, 1842)

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 geognostica oder Abbildungen und Beschreibungen der für die Gebirgs-Formationen bezeichnendsten Versteinerungen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (1837)

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

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)

The life and explorations of David Livingstone, LL.D - Roberts, John S., fl 1868 -1882 (John G. Murdoch, 1870)

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

Life zones and crop zones of New Mexico - Bailey, Vernon, 1864 -1942 (G.P.O, 1913)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1849)

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 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.], 1985)

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)

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

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)

Literary papers by the late Professor Edward Forbes - Reeve, Lovell, 1814 -1865 (L. Reeve, 1855)

Live stock laws of the territory of New Mexico relating to cattle, horses, mules, and asses - New Mexico. (1905)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1835)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1838)

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1843)

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1858)

Lord Howe Island. Its zoology, geology, and physical characters - Ogilby, J. Douglas (James Douglas), 1853 -1925 (C. Potter, government printer, 1889)

Loudon's encyclopaedia of plants; comprising the specific character, description, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous to, cultivated in, or introduced into Britain - Loudon, J. C. (John Claudius), 1783 -1843 (Longmans, Green, 1866)

Loudon's Natural History. Popular descriptions, tales and anecdotes of more than five hundred animals - Loudon, J. C. (John Claudius), 1783 -1843 (G. Bell and sons, 1889)

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

The lower Eocene floras of southeastern North America - Berry, Edward Wilber, 1875 -1945 (Govt. Print. Off, 1916)

The Lower Tertiary floras of southern England - British Museum (Natural History). Department of Palaeontology. [Plants]. (1961)

Lunds universitets årsskrift 2. Afd Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1907)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2014)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2016)

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

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1965)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1985)

Magasin de zoologie. - Guérin-Méneville, F.-É. (Félix-Édouard), 1799 -1874 (Lequien fils,, 1832)

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

Magasin de zoologie, d'anatomie comparée et de palaeontologie (Arthus Bertrand, 1839)

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, 1831)

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, 1836)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1838)

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

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1840)

Making sustainability operational : Fourth Mexico/U.S. Symposium = Haciendo operacional a la sostenibilidad : Cuarto Simposio Mexico/EUA - Manzanilla, Hugo. (Rocky Mountain Forest and Range Experiment Station, U.S. Department of Agriculture, 1993)

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

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

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

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

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

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

Malacologia - Institute of Malacology. (Institute of Malacology], 1988)

Malacologia - Institute of Malacology. (Institute of Malacology], 1998)

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