Lehrbuch der Pflanzenkranzkheiten : für Botaniker, Forstleute, Landwirthe und Gärtner - Hartig, Robert, 1839 -1901 (Springer, 1900)

Lehrbuch der pilzparasitären Pflanzenkrankheiten mit besonderer Berücksichtigung der Krankheiten gärtnerischer Kulturgewächse - Höstermann, Gustav (P. Parey, 1923)

Lehrbuch der Toxikologie für Tierärzete - Fröhner, Eugen, 1858 -1940 (F. Enke, 1910)

Lessons in botany - Atkinson, George Francis, 1854 -1918 (Holt, 1900)

Lessons in botany - Atkinson, George Francis, 1854 -1918 (H. Holt and company, 1900)

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)

Lilies, being one of a series of flower monographs - Adams, H. S. (Henry Sherman), 1864 - (McBride, Nast & company, 1913)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1826)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1863)

List of fungi, collected in 1884 along the Northern Pacific Railroad - Seymour, Arthur Bliss, 1859 -1933 (Boston Society of Natural History], 1889)

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 genera in Patouillard herbarium - Patouillard, N. (Narcisse), 1854 -1926 (1930)

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.], 1940)

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.], 1942)

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.], 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.], 1984)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1956)

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.], 1985)

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.], 1987)

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.], 1983)

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.], 1957)

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.], 1955)

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