Mémoires du Muséum national d'histoire naturelle Série A Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1968)

Mémoires du Muséum national d'histoire naturelle Série A Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1971)

Mémoires du Muséum national d'histoire naturelle Série A Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1977)

Mémoires du Muséum national d'histoire naturelle Série A Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1981)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Muséum, 1939)

Mémoires présentés à l'Académie impériale des Sciences de St. Petersbourg par divers Savans et dans ses assemblées - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1836)

Mémoires présentés à l'Académie impériale des Sciences de St. Petersbourg par divers Savans et dans ses assemblées - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1858)

Mémoires présentés à l'Institut Égyptien - Institut égyptien. (1909)

Mémoires présentés à l'Institut Égyptien - Institut égyptien. (1862)

Memoirs of the Asiatic Society of Bengal - Asiatic Society of Bengal (The Asiatic Society, 1916)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1974)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1997)

Memoirs of the Geological Survey of India - Geological Survey of India. (Pub. by order of the Governor-General of India, 1860)

Memoirs of the Museum of Victoria - Museum of Victoria. (: The Museum of Victoria, 1997)

Memoirs of the National Academy of Sciences - National Academy of Sciences (U.S.) (Government Printing Office, 1905)

Memoirs of the National Museum, Melbourne - National Museum (Australia) (The Museum, 1914)

Memoirs of the National Museum, Melbourne - National Museum (Australia) (The Museum, 1906)

Memoirs of the National Museum, Melbourne - National Museum (Australia) (The Museum, 1939)

Memoirs of the National Museum of Victoria - National Museum of Victoria (National Museum of Victoria, 1947)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1970)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1869)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1866)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1890)

Memorias da Academia Real das Sciencias de Lisboa Classe de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (A Academia, 1867)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1909)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1910)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1913)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1892)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1895)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1907)

Memorias sobre la historia natural de la isla de Cuba, acompañadas de sumarios latinos y extractos en frances - Poey, Felipe, 1799 -1891 (Impr. de Barcina, 1856)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1877)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1879)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1880)

Memorie dell'Istituto geologico della R. Università di Padova - Università di Padova. Istituto geologico. (Società Cooperativa Tipografica, 1915)

Memorie dell'Istituto geologico della R. Università di Padova - Università di Padova. Istituto geologico. (Società Cooperativa Tipografica, 1916)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1867)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1873)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1861)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1888)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1889)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1910)

Memorie della Società italiana di scienze naturali (G. Bernardoni, 1867)

Memorie della Società italiana di scienze naturali (G. Bernardoni, 1866)

Les merveilles de la nature : l'homme et les animaux : description populaire des races humaines et des règne animal - Brehm, Alfred Edmund, 1829 -1884 (J.-B. Bailliere et Fils, 1893)

Methodus conchyliologicus denominationis - Bourguignat, J. R. (Jules René), 1829 -1892 (Baillière, 1860)

Microscopy for beginners, or, Common objects from the ponds and ditches - Stokes, Alfred C. (Alfred Cheatham) (Harper & brothers, 1887)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1879)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1882)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1887)

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

Mikrogeologie : das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbständigen Lebens auf der Erde - Ehrenberg, Christian Gottfried, 1795 -1876 (L. Voss, 1854)

Minutes - Conchological Club of Southern California. (The Club, 1945)

Minutes - Conchological Club of Southern California. (The Club, 1946)

Minutes - Conchological Club of Southern California. (The Club, 1947)

Minutes - Conchological Club of Southern California. (The Club, 1948)

Minutes - Conchological Club of Southern California. (The Club, 1951)

Minutes - Conchological Club of Southern California. (The Club, 1957)

Minutes - Conchological Club of Southern California. (The Club, 1959)

Mionelminthes, Trichoplax und Trematodes - Pagenstecher, H. Alexander (Heinrich Alexander), 1825 -1889 (C.F. Winter, 1889)

Mionelminthes, Trichoplax und Trematodes - Pagenstecher, H. Alexander (Heinrich Alexander), 1825 -1889 (C.F. Winter, 1892)

Mionelminthes, Trichoplax und Trematodes - Pagenstecher, H. Alexander (Heinrich Alexander), 1825 -1889 (C.F. Winter, 1893)

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

Miscellaneous publications - University of Michigan. Museum of Zoology. (The University, 1916)

Mission scientifique au Mexique et dans l'Amérique Centrale : ouvrage publié par ordre de S.M. l'Empereur et par les soins du Ministre de l'instruction publique - Fournier, Eugène, 1834 -1884 (Imprimerie impériale, 1900)