Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1883)

Lexicon Entomologicum, oder Entomologisches Wörterbuch - Möller, C.H. ([s.n.], 1795)

Life history studies of the "primitive" panurgine bees (Hymenoptera, Andrenidae, Panurginae) - Rozen, Jerome G. Jr. (Jerome George), 1928 - (American Museum of Natural History, 1989)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1997)

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

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2012)

The Lincolnshire naturalist : transactions of the Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2016)

Linnaea entomologica : Zeitschrift herausgegeben von dem Entomologischen Vereine in Stettin - Entomologischer Verein in Stettin. (Ernst Siegfried Mittler, 1855)

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

A list of Hymenoptera collected by J.K. Lord, Esq. : in Egypt, in the neighbourhood of the Red Sea, and in Arabia ; with description of the new species - Walker, Francis, 1809 -1874 (E.W. Janson, 1871)

List of Publications of the Agricultural Experiment Stations in the United States - United States. Office of Experiment Stations. (1907)

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 dipterous insects in the collection of the British museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1848)

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)

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, 1853)

A list of works on North American entomology - Banks, Nathan, 1868 -1953 (Govt. Print. Off, 1910)

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

London Naturalist - London Natural History Society. (London Natural History Society, 1941)

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

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

London Naturalist - London Natural History Society. (London Natural History Society, 1957)

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

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

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1840)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1971)

Magazin der Entomologie - Ahrens, August, 1779 -1841 (Joh. Chr. Hendel, 1818)

Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1802)

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

Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1807)

Malacologia - Institute of Malacology. (Institute of Malacology], 1970)

Mantissa insectorum, exhibens species nuper in Etruria - Rossi, Pietro, fl 1790 - (Ex typ. Polloni, 1792)

Manual of entomology : with special reference to economic entomology - Maxwell-Lefroy, H. (Harold), 1877 -1925 (Longmans, Green & Co, 1923)

Manual of the apiary - Cook, Albert John, 1842 -1916 (T. G. Newman, 1880)

Manual of the apiary - Cook, Albert John, 1842 -1916 (Ills., T. G. Newman & son, 1878)

Manual of the apiary - Cook, Albert John, 1842 -1916 (Ills., T. G. Newman & son, 1879)

Manual of the apiary - Cook, Albert John, 1842 -1916 (T. G. Newman, 1879)

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)

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

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2010)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2011)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2013)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2015)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2018)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1888)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1875)

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

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

Mémoires - Société entomologique de Belgique. (The Society, 1913)

Mémoires de l'Académie (royale) des sciences de l'Institut (imperial) de France - Académie royale des sciences (France) (1860)

Mémoires de la Société géologique de France - Société géologique de France. (F.-G. Levrault, 1838)

Mémoires presentés a L'Institut des Sciences, Lettres et Arts, par divers savants èt lus dans ses assemblées : Sciences, Mathématiques et Physiques - Académie royale des sciences (France) (1841)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1896)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1898)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1916)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1928)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1937)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1921)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1903)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1911)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1914)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1894)

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)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1885)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1889)

Miscellanea entomologica. Memoria prima-[quarta] - Costa, Achille, 1823 -1898 (Tip. della Reale accademia delle scienze fisiche e matematiche, 1888)