Das Leben der Pflanze - Francé, R. H. (Raoul Heinrich), 1874 -1943 (Kosmos, Gesellschaft der Naturfreunde, 1906)

Leben und treiben der Ameisen - Marshall, William, 1845 -1907 (Richard Freese, 1889)

Leçons de botanique - Saint-Hilaire, Auguste de, 1779 -1853 (P.J. Loss, 1841)

Lectures on the evolution of plants (The Macmillan company, 1899)

Lectures on the evolution of plants (The Macmillan Co, 1899)

Lectures on the evolution of plants (The Macmillan company, 1910)

Lectures on the results of the Exhibition, delivered before the Society of Arts, Manufactures, and Commerce, at the suggestion of H.R.H. Prince Albert, President of the Society ... - Royal Society of Arts (Great Britain) (D. Bogue, 1852)

Lehrbuch der Naturgeschichte - Perleb, Karl Julius, 1794 -1845 (Friedrich Wagner, 1831)

Lehrbuch der ökologischen Pflanzengeographie - Warming, Eugenius, 1841 -1924 (Gebrüder Borntraeger, 1918)

Lehrbuch der ökologischen pflanzengeographie - Warming, Eugenius, 1841 -1924 (Gebrüder Borntraeger, 1902)

The lens - State Microscopical Society of Illinois. (State Microscopical Society of Illinois, 1873)

Lepidoptera, rhopaloceres and heteroceres, indigenous and exotic; with descriptions and colored illustrations - Strecker, Herman, 1836 -1901 (Owen's steam book and job printing office, 1872)

Lepidoptera, rhopaloceres and heteroceres, indigenous and exotic; with descriptions and colored illustrations - Strecker, Herman, 1836 -1901 (Owen's steam book and job printing office, 1875)

Lepidoptera, rhopaloceres and heteroceres, indigenous and exotic; with descriptions and colored illustrations - Strecker, Herman, 1836 -1901 (Owen's steam book and job printing office, 1877)

The lepidopterist's guide : intended for the use of the young collector, containing full instructions for the collecting, management, observation, and preservation, of lepidoptera, in all their stages - Knaggs, H. Guard (Henry Guard), 1832 -1908 (J. Van Voorst, 1869)

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, 1948)

The Lepidopterists' news : the monthly newsletter of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1950)

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)

Lessons in commercial fruit growing - Goff, E. S. (Emmett Stull), 1852 -1902 (University Co-operative Association, 1902)

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 and nature under the tropics: or, Sketches of travels among the Andes, and on the Orinoco, Rio Negro, and Amazons - Myers, H. M. (Henry Morris), 1872 (D. Appleton and company, 1871)

Life histories of American insects - Weed, Clarence Moores, 1864 -1947 (The Macmillan company, 1901)

Life histories of Central American highland birds - Skutch, Alexander F. (Alexander Frank), 1904 -2004 (The Club, 1967)

The life of North American insects - Jaeger, B. (Benedict), 1789 -1869 (Harper, 1864)

The life of North American insects - Preston, Henry C. (Harper & Brothers, 1859)

The life of North American insects - Preston, Henry C. (Harper, 1859)

The life of North American insects - Preston, Henry C. (Harper, 1864)

The life of North American insects : illustrated by numerous colored engravings and narratives - Jaeger, B. (Benedict), 1789 -1869 (Sayles, Miller and Simons, printers, 1854)