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 Vergleichenden Mikroskopischen Anatomie der Wirbeltiere - Franz, Victor, 1883 -1950 (verlag von Gustav Fischer, 1913)

Lehrbuch der zoologie in populärer darstellung : nach methodischen grundsätzen für gehobene lehranstalten, sowie zum selbstunterrichte - Baenitz, Carl, 1839 - (Adolph Stubenrauch, 1876)

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, 1910)

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

El Lenguaje de las flores y el de las frutas : con algunos emblemas de las piedras y los colores (D. Appleton Y Compañia 1,3 Y 5 Bond Street, 1882)

El lenguaje de las flores y el de las frutas, con algunos emblemas de las piedras y los colores - Jazmín, Florencio (M. Saurí, 1882)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1880)

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)

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

Levensschets van Herman Schlegel - Schlegel, G. (Gustave), 1840 -1903 (Müller, 1884)

Libro en honor de D.S. Ramón y Cjal; trabajos originales de sus admiradores y discípulos extranjeros y nacionales - Junta para el Homenaje à Cajal ([Jiménez y Molina, impresores], 1922)

Libro primero de botánica (Reino vegetal) - Purón, Juan García, 1852 -1912 (D. Appleton, 1887)

The lichen-flora of Great Britain, Ireland, and the Channel Islands - Leighton, William Allport, 1805 -1889 (1879)

Life and sport on the north shore of the lower St. Lawrence and Gulf, containing chapters on salmon fishing, trapping, the folk-lore of the Montagnais Indians and tales of adventure on the fringe of the Labrador peninsula - Comeau, Napoleon A. (Napoleon Alexander), 1848 -1923 (Daily Telegraph Printing House, 1909)

The life of animals; the mammals - Ingersoll, Ernest, 1852 -1946 (The Macmillan Company, 1906)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1955)

List of land mammals of New Guinea, Celebes and adjacent islands, 1758-1952 - Laurie, Eleanor Mary Ord. (BM(NH), 1954)

List of North American land mammals in the United States National Museum, 1911 - Miller, Gerrit S. Jr. (Gerrit Smith), 1869 -1956 (Govt. print. off, 1912)

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

List of recent land mammals of Mexico, 2014 - Arroyo-Cabrales, Joaquin (Museum of Texas Tech University, 2014)

List of the books, memoirs, and miscellaneous papers - Gray, John Edward 1800 -1875 (Printed for private distribution, 1875)

List of the books, memoirs, and miscellaneous papers by Dr. J.E. Gray, F.R.S. : with a few historical notes - Gray, John Edward 1800 -1875 (Printed for private distribution, 1872)

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

List of the specimens of dipterous insects in the collection of the British museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1848)

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, 1852)

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, 1854)

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, 1855)

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, 1856)

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, 1857)

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, 1858)