Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1906)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1910)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1916)

Kurzgefasstes Lehrbuch der Krankheiten und Beschädigungen unserer Kulturgewächse : eine Leitfaden zum Unterricht an Schulen sowie zur Selbstbelehrung - Weiss, J. E. (Johann Evangelist), 1850 -1918 (E. Ulmer, 1901)

Leben und treiben der Ameisen - Marshall, William, 1845 -1907 (Richard Freese, 1889)

Lehrbuch der zoologie - Voigt, F. S. (Friedrich Siegmund), 1781 -1850 (E. Schweizerbart, 1838)

Die Leitungsbahnen im Nervensystem der wirbellosen Tiere - Droogleever Fortuyn, Aemilius Bernardus, 1886 - (F. Bohn, 1920)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1908)

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)

Life and her children : glimpses of animal life - Buckley, Arabella B. (Arabella Burton), 1840 -1929 (D. Appleton and Company ..., 1889)

Life and her children; glimpses of animal life from the amba to the insects - Buckley, Arabella B. (Arabella Burton), 1840 -1929 (D. Appleton and company, 1901)

Life and her children : glimpses of animal life from the amoeba to the insects - Buckley, Arabella B. (Arabella Burton), 1840 -1929 (Edward Stanford, 1885)

Life and her children : glimpses of animal life from the amoeba to the insects - Buckley, Arabella B. (Arabella Burton), 1840 -1929 (E. Stanford, 1884)

Life and her children : glimpses of animal life from the amoeba to the insects - Buckley, Arabella B. (Arabella Burton), 1840 -1929 (E. Stanford, 1882)

Life and her children; glimpses of animal life from the amoeba to the insects - Buckley, Arabella B. (Arabella Burton), 1840 -1929 (D. Appleton, 1881)

Life, outlines of general bioloy - Thomson, J. Arthur (John Arthur), 1861 -1933 (Harper, 1900)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1999)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2009)

List of Egyptian insects in the collection of the Ministry of agriculture - Storey, G. (Government Press, 1916)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1934)

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)

List of the specimens of British animals in the collection of the British Museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1851)

The living plant in leaf, flower, and fruit : a popular book on botany for the general reader - Step, Edward, 1855 -1931 (Hutchinson & Co, 1904)

London Naturalist - London Natural History Society. (London Natural History Society, 1926)

London Naturalist - London Natural History Society. (London Natural History Society, 1939)

London Naturalist - London Natural History Society. (London Natural History Society, 1948)

London Naturalist - London Natural History Society. (London Natural History Society, 1959)

London Naturalist - London Natural History Society. (London Natural History Society, 1964)

London Naturalist - London Natural History Society. (London Natural History Society, 1966)

London Naturalist - London Natural History Society. (London Natural History Society, 1967)

London Naturalist - London Natural History Society. (London Natural History Society, 1969)

London Naturalist - London Natural History Society. (London Natural History Society, 1973)

London Naturalist - London Natural History Society. (London Natural History Society, 1993)

London Naturalist - London Natural History Society. (London Natural History Society, 1995)

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

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

London Naturalist - London Natural History Society. (London Natural History Society, 2014)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1912)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1913)

A manual of the elements of natural history - Blumenbach, Johann Friedrich, 1752 -1840 (printed for W. Simpkin & R. Marshall, 1825)

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

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1900)

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

MCZ newsletter - Harvard University. Museum of Comparative Zoology. (The Museum, 1990)

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], 1880)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1902)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1907)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1908)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1911)

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], 1916)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1919)

Mélanges exotico-entomologiques - Pic, Maurice, 1866 -1957 (Impr. Bussière, 1915)

Memoires de la Société de physique et d'histoire naturelle de Genève - Société de physique et d'histoire naturelle de Genève. (Georg [etc.], 1905)

Memoires de la Société de physique et d'histoire naturelle de Genève - Société de physique et d'histoire naturelle de Genève. (Georg [etc.], 1914)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1905)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1956)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1961)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1967)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1905)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1906)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1908)

Memoirs of the Indian Museum - Indian Museum. (Manager of Publications [etc.]; Calcutta, Govt. of India Press, 1915)

Memoirs of the National Museum, Melbourne - National Museum (Australia) (The Museum, 1941)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1993)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1909)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1922)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1890)

Merveilles de la nature : les insectes, les myriopodes, les arachnides et les crustaces - Brehm, Alfred Edmund, 1829 -1884 (J.-B. Baillière et Fils, 49 rue Hautefeuille, près du boulevard Saint-Germain, 1882)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1892)

Mimikry und verwandte erscheinungen - Jacobi, Arnold, 1870 -1948 (F. Vieweg, 1913)

Mind in animals - Besant, Annie, 1847 -1933 (Freethought pub. co, 1880)

Miscellanea entomologica; revue entomologique internationale - Union entomologique. (1912)

Miscellanea entomologica; revue entomologique internationale - Union entomologique. (1920)

Miscellaneous papers - Howard, L. O. (Leland Ossian), 1857 -1950 (G.P.O, 1912)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1965)

Mitteilungen aus dem Naturhistorischen Museum in Hamburg - Naturhistorisches Museum in Hamburg. (Lütcke & Wulff, 1901)

Mitteilungen aus dem Naturhistorischen Museum in Hamburg - Naturhistorisches Museum in Hamburg. (Lütcke & Wulff, 1899)