Lectures on biology - Boelter, W. R. (William Richard) (J. Bale, sons & Danielsson, ltd, 1911)

Lehrbuch der mitteleuropäischen Forstinsektenkunde mit einem Anhange : Die forstschädlichen Wirbelthiere - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Eduard Hölzel, 1885)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

Lehrbuch der vergleichenden Anatomie der Wirbellosen Thiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Veit, 1848)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1892)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Tiere : Specieller Thiel - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

Lehrbuch der Zoologie für Studierende und Lehrer - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (G. Fischer, 1890)

Lehrbuch der Zoologie - Claus, Carl, 1835 -1899 (Elwert, 1897)

Leitfaden der Forstinsektenkunde - Nüsslin, Otto, 1850 -1915 (Verlagsbuchhandlung Paul Parey, SW., Hedemannstrasse 10, 1905)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1902)

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, 1949)

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, 1951)

Letters on the natural history of the insects mentioned in Shakespeare's plays : with incidental notices of the entomology of Ireland - Patterson, Robert, 1802 -1872 (W. S. Orr & Co, 1838)

Letters on the natural history of the insects mentioned in Shakspeare's plays : with incidental notices of the entomology of Ireland - Patterson, Robert, 1802 -1872 (W.S. Orr, 1838)

The life and letters of Charles Darwin : including an autobiographical chapter - Darwin, Charles, 1809 -1882 (D. Appleton, 1896)

The life and letters of Charles Darwin, including an anutobiographical chapter - Darwin, Charles, 1809 -1882 (J. Unray, 1887)

The life and letters of Charles Darwin, including an autobiographical chapter - Darwin, Charles, 1809 -1882 (John Murray, 1887)

The life and letters of Charles Darwin, including an autobiographical chapter - Darwin, Charles, 1809 -1882 (D. Appleton, 1891)

The life and letters of Charles Darwin, including an autobiographical chapter - Darwin, Charles, 1809 -1882 (John Murray, 1888)

Life stories of Australian insects - Brewster, Agnes A. (Dymock's Book Arcade, 1920)

[List of seeds and of books] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orcutt Seed and Plant Company, 1905)

A List of the insects of New York : with a list of the spiders and certain other allied groups - Leonard, Mortimer Demarest, 1890 - (Cornell University, 1928)

A list of works on North American entomology - Banks, Nathan, 1868 -1953 (Govt. Print. Off, 1900)

A literature review of the spruce, western, and 2-year-cycle budworms : Choristoneura fumiferana, C. occidentalis, and C. biennis (Lepidoptera: Tortricidae) - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1966)

London Naturalist - London Natural History Society. (London Natural History Society, 1953)

London Naturalist - London Natural History Society. (London Natural History Society, 1970)

London Naturalist - London Natural History Society. (London Natural History Society, 1994)

London Naturalist - London Natural History Society. (London Natural History Society, 1997)

London Naturalist - London Natural History Society. (London Natural History Society, 2002)

London Naturalist - London Natural History Society. (London Natural History Society, 2003)

London Naturalist - London Natural History Society. (London Natural History Society, 2006)

Long-term evaluation of the effects of Bacillus thuringiensis kurstaki, gypsy moth nucleopolyhedrosis virus product Gypchek, and Entomophaga maimaiga on nontarget organisms in mixed broadleaf-pine forests in the central Appalachians - Butler, Linda, 1943 - (U.S. Dept. of Agriculture, Forest Service, FHTET, 2004)

The Longfield Iris Farm : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Longfield Iris Farm, 1925)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1856)

Maapallon eläimistö - Suomalainen, E. W. (W. Söderström, 1922)

Macrolepidoptera and their parasites reared from field collections in the northeastern part of the United States - Schaffner, J. V. (John Valentine), 1888 - (U.S. Dept. of Agriculture, 1934)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1913)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1933)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1930)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2009)

MAGNT research report - Museums; Art Galleries of the Northern Territory (Museums and Art Galleries of the Northern Territory, 1999)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1910)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock publishing company, inc, 1938)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1897)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock, 1923)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1916)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1904)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (The Comstock Pub. Co., 1920, 1920)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1895)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1907)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1912)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1902)

Marquesan insects (The Museum, 1939)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 1979)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 1983)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 1992)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2012)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2020)

Materials for the study of variation treated with especial regard to discontinuity in the origin of species - Bateson, William, 1861 -1926 (Macmillan and co, 1894)

Materials for the study of variation treated with especial regard to discontinuity in the origin of species - Bateson, William, 1861 -1926 (Macmillan, 1894)

MCZ newsletter - Harvard University. Museum of Comparative Zoology. (The Museum, 1985)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1909)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1910)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1913)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1914)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1915)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1917)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1918)

Meddelanden från Statens Skogsförsöksanstalt = Mitteilungen aus der Forstlichen Versuchsanstalt Schwedens - Statens Skogsförsöksanstalt (Sweden) (Centraltryckeriet, 1916)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1918)

Mededeelingen van het Laboratorium voor Plantenziekten - Laboratorium voor Plantenziekten. (Drukkerij van het Departement, 1914)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1878)

Memórias do Instituto Oswaldo Cruz - Instituto Oswaldo Cruz (1914)

Memoir - Cornell University. Agricultural Experiment Station. (1919)

Memoir - Cornell University. Agricultural Experiment Station. (1921)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Muséum, 1936)