Late Cretaceous and Cenozoic history of Latin American vegetation and terrestrial environments - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2010)

The later extinct floras of North America - Newberry, J. S. (John Strong), 1822 -1892 (Govt. Print. Off, 1898)

The later extinct floras of North America - Newberry, J. S. (John Strong), 1822 -1892 (G.P.O, 1898)

Lauraceae Americanae - Mez, Carl, 1866 -1944 (Cramer, 1963)

Lauracées - Kostermans, A. J. G.H. (Achmad Jahja G. H.) 1906 - (1974)

A Lavoura (Sociedade Nacional de Agricultura, 1913)

A Lavoura : boletim da Sociedade Nacional de Agricultura Brazileira - Confederação Rural Brasileira. (Sociedade Nacional de Agricultura, 1912)

Le chang zhi wu zhi - Chen, Bangyu. (shi jie tu shu chu ban gong si, 2005)

Leaflets - Brooklyn Botanic Garden. (1924)

Leaflets - Brooklyn Botanic Garden. (1925)

Leaflets - Brooklyn Botanic Garden. (1935)

Leaflets of Philippine botany (Oriental Printing Co, 1908)

Leaflets of Philippine botany (Oriental Printing Co, 1913)

Leaflets of Philippine botany (Oriental Printing Co, 1915)

Leaflets of Philippine botany (Oriental Printing Co, 1938)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1953)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1959)

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

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

Lehrbuch der Botanik; für höhere Lehranstalten und die Hand des Lehrers, sowie für alle Freunde der Natur. Unter besonderer Berücksichtigung biologischer Verhältnisse bearb. von Otto Schmeil - Schmeil, O. (Otto), 1860 -1943 (Quelle & Meyer, 1911)

Lehrbuch der Botanik für höhere Lehranstalten und die Hand des Lehrers - Schmeil, O. (Otto), 1860 -1943 (E. Nägele, 1903)

Lehrbuch der Botanik, für mittlere und höhere lehranstalten - Prantl, Karl, 1849 -1893 (W. Engelmann, 1891)

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

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

Lehrbuch der Paläobotanik - Potonié, H. (Henry), 1857 -1913 (Borntraeger, 1921)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

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, 1950)

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

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)

Ligneous plants collected for the Arnold Arboretum in North Queensland by S. F. Kajewski in 1929 - Kajewski, Sethrick Frank, 1904 -1997 (The Arnold Arboretum of Harvard University, 1933)

lin ye diao cha shou ce 林野调查手册 - zhong yang ren ming zheng fu lin ye bu 中央人民政府林业部 (zhong yang ren ming zheng fu lin ye bu 中央人民政府林业部, 1952)

The Lingnaam agricultural review - Ling Nan Da Xue (Guangzhou, China) (College Press, 1922)

The Lingnaam agricultural review - Ling Nan Da Xue (Guangzhou, China) (College Press, 1927)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1951)

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.], 1987)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1986)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1982)

A list of plants growing without cultivation in Franklin, Hampshire and Hampden counties, Massachusetts - Stone, George E. (George Edward), 1860 -1941 (Carpenter & Morehouse, 1913)

A list of plants growing without cultivation in Franklin, Hampshire and Hampden Counties, Massachusetts - Stone, George E. (George Edward), 1860 -1941 (Carpenter & Morehouse, 1913)

List of rare, threatened and endemic plants in Europe (1982 edition) (1983)

List of rose bushes, fruit and shade trees, and flowering shrubs : fall '46–spring '47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richmond Nurseries, 1946)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1971)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1974)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1979)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1980)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1993)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 2000)

The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling News Litho. Co, 1913)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1837)

The London Clay flora - Reid, Eleanor Mary, 1860 -1953 (British Museum, 1933)