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London Naturalist - London Natural History Society. (London Natural History Society, 2001)

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Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1857)

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

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Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1806)

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The mammals of the Adirondack region, northeastern New York : with an introductory chapter treating of the location and boundaries of the region, its geological history, topography, climate, general features, botany, and faunal position - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Published by the author, 1884)

The mammals of the Adirondack region, northeastern New York. With an introductory chapter treating of the location and boundaries of the region, its geological history, topography, climate, general features, botany and faunal position - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Holt, 1886)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1897)

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 (Kessinger Pub, 1895)

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)

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Manual of North American Diptera - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (J.T. Hathaway, 1908)

Manual of the families and genera of North American Diptera - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (J.T. Hathaway, 1896)

Manual of the families and genera of North American diptera - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (Hathaway, 1896)

Manual of the families and genera of the North American Diptera - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (J.T. Hathaway, 1896)

Manual of the natural history, geology, and physics of Greenland, and the neighboring regions : prepared for the use of the Arctic Expedition of 1875, under the direction of the Arctic Committee of the Royal Society, for the use of the expedition ; published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (H.M. Stationery Off., printed by G.E. Eyre and W. Spottiswoode, 1875)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (Lamertin, 1895)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1907)

Marvels of insect life a popular account of structure and habit - Step, Edward, 1855 -1931 (W. Briggs, 1915)

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The mason-wasps - Fabre, Jean-Henri, 1823 -1915 (McClelland & Stewart, 1919)

The mason-wasps - Fabre, Jean-Henri, 1823 -1915 (Dodd, Mead and Company, 1919)

The mason-wasps. Translated by Alexander Teixeira de Mattos - Fabre, Jean-Henri, 1823 -1915 (Dodd, Mead, 1919)