Lectures on plant pathology and physiology in relation to man; a series of lectures given at the Mayo Foundation and the universities of Minnesota, Iowa, Wisconsin, the Des Moines Academy of Medicine, Iowa, and the Iowa State College, 1926-1927 (W. B. Saunders Co, 1928)

Ledden's seeds and plants, 1942 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orol Ledden & Sons, 1942)

Ledden's seeds and plants, 1943 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orol Ledden & Sons, 1943)

Ledden's seeds and plants, 1944 catalogue, 40th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orol Ledden & Sons, 1944)

Ledden's seeds and plants, 1945 catalogue, 41st year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orol Ledden & Sons, 1945)

Ledden's seeds and plants for 1946, 42d year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orol Ledden & Sons, 1946)

Ledden's seeds and plants for 1948, 44th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orol Ledden & Sons, 1948)

Ledden's seeds and plants for 1949, 45th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orol Ledden & Sons, 1949)

Ledden's seeds, plants, farm and garden supplies : 1950, 46th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orol Ledden & Sons, 1950)

Legislation in connection with plant diseases - Güssow, H. T. (Hans Theodor), 1879 -1961 (1913)

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

Leonard Seed Co., Chicago, Ill., 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Seed Co, 1936)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1917)

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)

Lessons on potatoes for elementary rural schools - Dille, Alvin, 1876 -1920 (U.S. Dept. of Agriculture, 1919)

Letherman's 1932 garden guide : proven merit seeds for market and home gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman Seed & Supply Co, 1932)

Letherman's 1934 garden guide : proven merit seeds for market and home gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman Seed & Supply Co, 1934)

Letherman's 1935 garden guide : proven merit seeds for market and home gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman Seed & Supply Co, 1935)

Letherman's 1936 garden guide : proven merit seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman Seed & Supply Co, 1936)

Letherman's 1938 garden guide for market and home gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman's Seed House, 1938)

Letherman's 1952 garden and lawn book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman's, Inc, 1957)

Letherman's 1952 garden and lawn book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman's, Inc, 1952)

Letherman's 1953 guide to better gardens and lawns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman's, 1953)

Letherman's 1955 seeds for better gardens and lawns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman's, Inc, 1955)

Letherman's proven merit seeds, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman's, Inc, 1937)

Letherman's proven merit seeds : 1941 seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman's, Inc, 1941)

Letherman's proven merit seeds for home and market gardeners : 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes-Letherman Seed Co, 1929)

Letherman's proven merit seeds for home and market gardeners : 1931 garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman Seed & Supply Co, 1931)

Letherman's seeds for 1950 lawns and gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman's, Inc, 1950)

Letherman's seeds for 1958 lawns and gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Letherman Seed Company, 1958)

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

Life and death at low temperatures - Gehenio, Marie Pierre, Sister, 1909 - (Biodynamica, 1940)

Life-like forms in meteorites and the problems of environmental control on the morphology of fossil and recent protobionta - Anders, Edward, 1926 - (The Academy, 1963)

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

Lilly's surety seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. H. Lilly Co, 1932)

Lindholms' seeds : market gardeners' wholesale price list, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. J. Lindholm, 1935)

Lindholms' seeds : market gardeners' wholesale price list, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. J. Lindholm, 1934)

Lindholms' seeds : market gardeners' wholesale price list 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. J. Lindholm, 1931)

Lindholms seeds : market gardeners' wholesale price list, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1936)

Lindholms seeds : market gardeners' wholesale price list, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1939)

Lindholms seeds : market gardeners' wholesale price list, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1937)

Lindholms seeds : market gardeners' wholesale price list, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1940)

Lindholms seeds : market gardeners' wholesale price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1938)

Lindholms seeds : market gardeners' wholesale price list, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1946)

Lindholms seeds : market gardeners' wholesale price list, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1943)

Lindholms seeds : market gardeners' wholesale price list, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1945)

Lindholms seeds : market gardeners' wholesale price list, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1941)

Lindholms seeds : market gardeners' wholesale price list, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1944)

Lindholms seeds : market gardeners' wholesale price list, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry C. Lindholm, 1942)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1851)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1852)

Lins outstanding gladiolus, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.H. Lins, 1946)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1955)

List of bulletins of the agricultural experiment stations in the United States for the calendar years 1921 and 1922 : supplement 1 - Pennington, Catherine E. (U.S. G.P.O, 1927)

List of bulletins of the agricultural experiment stations in the United States for the calendar years 1921 and 1922 : supplement 2 - Pennington, Catherine E. (U.S. G.P.O, 1926)

List of foreign pests, pathogens and weeds detected on introduced plants - Leppik, E. E., 1906 -

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.], 1934)

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.], 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.], 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.], 1931)

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.], 1984)

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.], 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.], 1986)