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, 1852)

List of the specimens of the hymenopterous insects in collection of the British museum - Walker, Francis, 1809 -1874 (Printed by order of the Trustees, 1846)

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

List of Yorkshire Lepidoptera - Porritt, George Taylor, 1848 - (A. Brown & Sons, ltd, 1904)

The London journal of botany : containing figures and descriptions of such plants as recommend themselves by their novelty, rarity, history, or uses : together with botanical notices and information and and occasional portraits and memoirs of eminent botanists - Hooker, William Jackson, Sir, 1785 -1865 (H. Baillière, 1845)

Lotos - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (Verlag des Deutschen Naturwissenschaftlich-Medizinischen Vereines für Böhmen "Lotos", 1907)

Loudon's Hortus britannicus : a catalogue of all the plants indigenous, cultivated in, or introduced to Britain. Part I. The Linnaean arrangement : part II. The Jussieuean arrangement - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for Longman, Rees, Orme, Brown, and Green & Longman, 1839)

Loudon's hortus britannicus : a catalogue of all the plants indigenous, cultivated in, or introduced to Britain - Loudon, J. C. (John Claudius), 1783 -1843 (Longman(etc],), 1839)

Magazin der Entomologie - Ahrens, August, 1779 -1841 (Joh. Chr. Hendel, 1815)

Magazin der Entomologie - Ahrens, August, 1779 -1841 (Joh. Chr. Hendel, 1817)

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

Magazin der Entomologie - Ahrens, August, 1779 -1841 (Joh. Chr. Hendel, 1821)

Malacologia - Institute of Malacology. (Institute of Malacology], 2009)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1857)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1862)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1869)

Il maniscalco instruito nella medicina pratica delle principali malattie del cavallo - Bonsi, Francesco, 1722 -1803 (Fratelli Albertini, 1767)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1894)

A manual of dangerous insects likely to be introduced in the United States through importations - United States. Bureau of Entomology. (Govt. print. off, 1917)

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

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record press, 1914)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and Co, 1885)

A manual of the sub-kingdom Protozoa. With a general introduction on the principles of zoology - Greene, J. Reay, 1836 -1903 (Longmans, Green, Longman, Roberts, & Green, 1868)

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

Manuel d'entomologie, ou histoire naturelle des insectes : contenant la synonymie et la description de la plus grande partie des espèces d'Europe et des espèces exotiques les plus remarquables - Boitard, Pierre, 1789 -1859 (Roret, 1828)

Manuel de conchyliologie et de paleontologie conchyliologique : ou, Histoire naturelle des mollusques vivants et fossiles - Fischer, Paul, 1835 -1893 (F. Savy, 1887)

Manuel de conchyliologie, ou, Histoire naturelle des mollusques vivants et fossiles - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Savy, 1870)

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

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1914)

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

Mededeelingen van het Proefstation voor de Java-Suikerindustrie - Proefstation voor de Java-Suikerindustrie. (H. van Ingen, 1914)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1884)

Melastomacearum, quae in Musaeo Parisiensi continentur monographicae descriptionis et secundum affinitates distributionis tentamen - Naudin, Charles, 1815 -1899 (V. Masson, 1853)

Memórias do Instituto Oswaldo Cruz - Instituto Oswaldo Cruz (1916)

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The Australian Museum Memoir (Australian Museum, 1942)

Mémoires - Société entomologique de Belgique. (The Society, 1906)

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Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1951)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1966)

Mémoires sur les lépidoptères - Grum-Grzhimailo, G. E. 1860 -1936 (Imprimerie de M.M. Stassuléwitch, 1885)

Mémoires sur les lépidoptères - Grum-Grzhimailo, G. E. 1860 -1936 (Imprimerie de M.M. Stassuléwitch, 1887)

Mémoires sur les lépidoptères - Grum-Grzhimailo, G. E. 1860 -1936 (Imprimerie de M.M. Stassuléwitch, 1893)

Mémoires sur les lépidoptères - Grum-Grzhimailo, G. E. 1860 -1936 (Imprimerie de M.M. Stassuléwitch, 1901)

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Memorial edition of Thomas Bewick's works - Bewick, Thomas, 1753 -1828 (B. Quaritch, 1885)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1890)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1887)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1912)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1854)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1885)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1900)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1904)

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Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1815)

Michaelis Bernhardi Valentini prof. medici ... Polychresta exotica in curandis affectibus contumacissimis probatissima ... : ut et nova herniarum cura. Accedunt seorsim olim editae ... Dissertationes epistolicae varii argumenti ... - Valentini, Michael Bernhard, 1657 -1729 (Sumptibus Johannis Davidis Zunneri, 1700)

Microlepédoptera - Zeller, P. C. (Philipp Christoph), 1808 -1883 (s.n, 1846)