Laying down land to permanent pasture : and the improvement of old grass lands - Sutton & Sons Ltd. (Longmans, Green, 1875)

Leaf-mining insects - Needham, James G. (James George), 1868 -1957 (The Williams & Wilkins company, 1928)

The leaf-spot diseases of alfalfa and red clover caused by the fungi Pseudopeziza medicaginis and Psuedopeziza [sic] trifolii, respectively - Jones, Fred Reuel, 1884 - (U.S. Dept. of Agriculture, 1919)

The leaf-spot diseases of alfalfa and red clover caused by the fungi Pseudopeziza medicaginis and Pseudopeziza trifolii, respectively - Jones, Fred Reuel, 1884 - (Govt. print. off, 1919)

Leaflets - Brooklyn Botanic Garden. (1919)

Leaflets - Brooklyn Botanic Garden. (1929)

Leaflets - Brooklyn Botanic Garden. (1931)

Leaves and flowers - Wood, Alphonso, 1810 -1881 (Barnes & Burr; Troy, Moore & Nims; [etc., etc.], 1863)

Leaves and flowers - Wood, Alphonso, 1810 -1881 (A. S. Barnes & company; [etc., etc, 1888)

Leaves and flowers : or, Object lessons in botany with a flora : prepared for beginners in academies and public schools - Wood, Alphonso, 1810 -1881 (A.A. Barnes, 1869)

Leaves and flowers; or, Object lessons in botany with a flora - Wood, Alphonso, 1810 -1881 (1863)

Leaves and flowers; or, Object lessons in botany - Wood, Alphonso, 1810 -1881 (A.S. Barnes & co, 1870)

Leaves and flowers; or, Object lessons in botany. With a flora - Wood, Alphonso, 1810 -1881 (1863)

Leaves and flowers; or, Object lessons in botany. With a flora - Wood, Alphonso, 1810 -1881 (Barnes, 1874)

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

Lebensgeschichte der Blütenpflanzen Mitteleuropas : spezielle Ökologie der Blütenpflanzen Deutschlands, Österreichs und der Schweiz - Schröter, Carl, 1855 -1939 (E. Ulmer, 1934)

Lebensgeschichte der Blütenpflanzen Mitteleuropas : spezielle Ökologie der Blütenpflanzen Deutschlands, Österreichs und der Schweiz - Schröter, Carl, 1855 -1939 (E. Ulmer, 1936)

Lecons sur les animaux utiles et nuisibles, les bêtes calomniées et mal jugées - Vogt, Karl Christoph, 1817 -1895 (C. Reinwald, 1875)

Lectures on the physiology of plants - Vines, Sydney Howard, 1849 -1934 (University press, 1886)

Légumineuses-Papilionoïdées - Muséum national d'histoire naturelle (France) (1987)

Leguminosae of Louisiana - Cocks, R. S. (Reginald Somers), 1863 -1926 (L. Graham, 1910)

Leguminosae of Nevada, Part III : exclusive of Lupinus, Astragalus and Oxytropis - Porter, C. L. (Cedric Lambert), 1905 - (Plant Industry Station, 1957)

The leguminous plants of North Carolina - Wilbur, Robert L. (North Carolina Agricultural Experiment Station, 1963)

Lehrbuch der Botanik - Bischoff, Gottlieb Wilhelm, 1797 -1854 (E. Schweizerbart, 1834)

Lehrbuch der Botanik. Anhang, enthaltend die botanische Kunstsprache in Form eines Wörterbuches - Bischoff, Gottlieb Wilhelm, 1797 -1854 (E. Schweizerbart's Verlagshandlung, 1939)

Lehrbuch der Botanik für Hochschulen - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1911)

Lehrbuch der Botanik für mittlere und höhere Lehrenstalten - Prantl, Karl, 1849 -1893 (W. Engelmann, 1883)

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

Lehrbuch der gartenkunst : oder Lehr von der Anlage Ausschmückung und Künstlerischen unterhalung der Gärten und freien Anlagen - Jäger, H. (Hermann), 1815 -1890 (Hugo Voigt, 1877)

Lehrbuch der landwrithschaftlichen pflanzwenkunde für praktische landwirthe und freunde des pflanzenreichs - Langethal, Chr. Ed. (Christian Eduard), 1806 -1878 (Cröker, 1843)

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

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

Lehrbuch der schönen Gartenkunst : mit besonderer Rücksicht auf die praktische Ausführung von Gärten, Parkanlagen, u.s.w - Meyer, Gustav (Riegel, 1860)

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

Leitfaden für den Unterricht in der Botanik an Gymnasien und höheren Bürgerschulen : Zugleich als Anleitung zur leichteren Bestimmung der wildwachsenden Gefässpflanzen des mittleren und nördlichen Deutschlands - Wirtgen, Philipp Wilhelm, 1806 -1870 (T. Hölscher, 1852)

The Lepidoptera of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, their preparatory states, habits, and localities - Barrett, Charles Golding, 1836 -1904 (L. Reeve, 1893)

The Lepidoptera of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, their preparatory states, habits, and localities - Barrett, Charles Golding, 1836 -1904 (L. Reeve, 1895)

The Lepidoptera of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, their preparatory states, habits, and localities - Barrett, Charles Golding, 1836 -1904 (L. Reeve, 1900)

Lepidoptera; recueil d'études biologiques et systématiques sur les lépidoptères du globe - Le Cerf, Fernand, 1881 -1945 (P. Lechevalier, 1925)

Lepidoptera : recueil d'études biologiques et systématiques sur les lépidoptères du globe. Tome I, 1925-26 - Le Cerf, Ferdinand, (Paul Lechevalier, 1925)

The lepidopterist's calendar - Merrin, Joseph. (H. Marsden, 1875)

The lepidopterist's calendar; giving the time when the British lepidoptera appear in the egg, larval, pupal, and imago states, with the food-plant, and habitat - Merrin, Joseph, 1820 -1904 (H. Marsden, 1875)

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)

Lessons in botany and vegetable physiology - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1872)

Lessons in the structure, life, and growth of plants, for schools and academies - Wood, Alphonso, 1810 -1881 (American Book Company, 1889)

Lessons in the structure, life, and growth of plants, for schools and academies - Wood, Alphonso, 1810 -1881 (A.S. Barnes & company, 1889)

Letters on modern agriculture - Liebig, Justus, Freiherr von, 1803 -1873 (J. Wiley, 1859)

Letters on the diseases of plants. Second series - New South Wales. Dept. of Agriculture. (W.A. Gullick, gov't printer, 1904)

Lettres sur l'agriculture moderne - Liebig, Justus de, Baron. (Tarlier, 1862)

Der Lichtgenuss der Pflanzen : photometrische und physiologische Untersuchungen mit besonderer Rücksichtnahme auf Lebensweise, geographische Verbreitung und Kultur der Pflanzen - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1907)

Life and letters of Alexander Goodman More, F.R.S.E., F.L.S., M.R.I.A., with selections from his zoological and botanical writings - More, Alexander Goodman, 1830 -1895 (Hodges, Figgis & co. (ltd.), 1898)

Life and letters of Alexander Goodman More, with selections from his zoological and botanical writings - More, Alexander Goodman, 1830 -1895 (Hodges, Figgis, 1898)

Life histories of familiar plants - Ward, John J., 1875 - (Cassell, 1908)

Life-histories of the birds of eastern Pennsylvania - Gentry, Thomas G. (Thomas George), 1843 -1905 (Pub. by the author, 1876)

The life of John Duncan Scotch weaver and botanist : with sketches of his friends and notices of the times - Jolly, William. (Kegan Paul, Trench and Co, 1883)

The life of the Pleistocene or glacial period, as recorded in the deposits laid down by the greatice sheets - Baker, Frank Collins, 1867 -1942 (Pub. by the University of Illinois under the auspices of the Graduate School, 1920)

Lilly's best seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1911)

Lilly's best seeds : plants fertilizers bee supplies poultry foods - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1910)

Lilly's complete annual : bee supplies spray materiels poultry supplies fertilizers seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1915)

Lilly's complete annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1913)

Lilly's crop book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1917)

Lilly's crop book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1922)

Lilly's crop book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1912)

Lilly's crop book. no 13 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1926)

Lilly's crop book. no. 13 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1927)

Lilly's crop book : what when and how to plant. no. 11 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1924)

Lilly's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1936)

Lilly's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1935)

Lilly's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1920)

Lilly's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1912)

Lilly's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1937)

Lilly's trial ground tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1937)

Lilly's trial ground tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1939)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2011)

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, 1833)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1837)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1840)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1841)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1848)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1957)

A list of fungi (ustilaginales and uredinales) prepared for exchange - Patterson, Flora W. (Flora Wambaugh), 1847 -1928 (U.S. Dept. of Agriculture, 1922)

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.], 1936)

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.], 1938)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1939)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1940)

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)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1968)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1969)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1971)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1973)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1977)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1978)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1963)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1950)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1951)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1959)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1953)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1961)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1964)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1955)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1960)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1962)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1965)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1949)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1970)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1966)