Lecciones de botánica - Dondé, Juan, (J. F. Molina Solis, 1876)

A lecture on the geography of plants - Barton, John, 1789 -1852 (Printed for Harvey and Darton, 1827)

Lectures on plant physiology - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Clarendon Press, 1907)

Lectures on plant physiology - Jost, Ludwig, 1865 -1947 (Clarendon Press, 1907)

Lectures on the physiology of plants - Sachs, Julius, 1832 -1897 (Clarendon Press, 1887)

Lehrbuch der Botanik - Bischoff, Gottlieb Wilhelm, 1797 -1854 (E. Schweizerbart, 1836)

Lehrbuch der Botanik; nach dem Gegenwärtigen Stand der Wissenschaft - Frank, Albert Bernhard, 1839 -1900 (W. Engelmann, 1892)

Lehrbuch der botanik nach dem gegenwärtigen stand der wissenschaft - Sachs, Julius, 1832 -1897 (W. Engelmann, 1874)

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

Lehrbuch der Pflanzenphysiologie, mit besonderer Berücksichtigung der landwirtschaftlichen Kulturpflanzen - Frank, H. B (P. Parey, 1896)

Die Lehre von der Pflanzenzelle - Hofmeister, Wilhelm, 1824 -1877 (Engelmann, 1867)

Leonard Coates Nurseries, nurserymen, florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, 1931)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1951)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1947)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1952)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1955)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1956)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1958)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1959)

The Lepidopterists' Society, commemorative volume, 1945-1973 - Clench, Harry K. (The Society, 1945)

Leptonycteris Sanborni Hoffmeister, Sanborn's long-nosed bats : status report - U.S. Fish; Wildlife Service. Office of Endangered Species. (Office of Endangered Species, U.S. Fish and Wildlife Service, 1985)

Lessons in Elementary Botany, the part of Systematic Botany based upon material left in manuscript by the late Prof. Henslow - Oliver, Daniel, 1830 -1916 (MacMillan, 1888)

Lexicon generum phanerogamarum inde ab anno MDCCXXXVII : cum nomenclatura legitima internationali et systemate inter recentia medio - Post, Thomas Erik von, 1858 -1912 (Deutsche verlags-anstalt, 1904)

Life histories of North American birds, from the parrots to the grackles, with special reference to their breeding habits and eggs - Bendire, Charles, 1836 -1897 (Smithsonian Institution, 1895)

Life histories of North American birds : with special reference to their breeding habits and eggs - Bendire, Charles, 1836 -1897 (Smithsonian Institution, 1892)

Life histories of North American birds, with special reference to their breeding habits and eggs - Bendire, Charles, 1836 -1897 (G.P.O, 1892)

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

Les liliacees - Candolle, Augustin Pyramus de, 1778 -1841 (Chez l'auteur, 1812)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1829)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1830)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1831)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1833)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1835)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1842)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1876)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1877)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1935)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1937)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1941)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1943)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1948)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)