Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1903)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1988)

Memoirs of the Geological Survey of India - Geological Survey of India. (Pub. by order of the Governor-General of India, 1913)

Memoirs of the Geological Survey of New South Wales. Palaeontology - Geological Survey of New South Wales. (C. Potter, 1902)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1887)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1902)

Memoirs of the Museum of Victoria - Museum of Victoria. (: The Museum of Victoria, 1988)

Memoirs of the Museum of Victoria - Museum of Victoria. (: The Museum of Victoria, 1992)

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 of Victoria - National Museum of Victoria (National Museum of Victoria, 1951)

Memoirs of the National Museum of Victoria - National Museum of Victoria (National Museum of Victoria, 1962)

Memoirs of the National Museum of Victoria - National Museum of Victoria (National Museum of Victoria, 1970)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1974)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1978)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1980)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1997)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 2001)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 2005)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 2008)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 2010)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1931)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1944)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1974)

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, 1890)

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, 1891)

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 Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1906)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1900)

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

Mesozoic fossils - Geological Survey of Canada (1876)

Metabarcoding and metagenomics (Pensoft Publishers, 2021)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

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

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

Minerals and geology of central Canada : comprising the provinces of Ontario and Quebec - Chapman, E. J. (Edward John), 1821 -1904 (Copp, Clark, 1888)

The minerals and geology of central Canada, comprising the provinces of Ontario and Quebec - Chapman, E. J. (Edward John), 1821 -1904 (The Copp, Clark company (limited), 1888)

Minutes - Conchological Club of Southern California. (The Club, 1941)

Minutes - Conchological Club of Southern California. (The Club, 1944)

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, 1950)

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

Minutes - Conchological Club of Southern California. (The Club, 1953)

Minutes - Conchological Club of Southern California. (The Club, 1955)

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

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

Miocene - Maryland Geological Survey. (John Hopkins Press, 1904)

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Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1959)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1962)

Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 1970)

Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 1978)

Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 1980)

Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 1984)

Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 1989)

Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 1992)

Mittheilungen aus dem Jahrbuche der Kgl. ungarischen Geologischen Anstalt - Magyar Királyi Földtani Intézet. (Buchdruckerei der Stum A.-G., [etc.], 1873)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1889)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1899)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1903)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1908)

Modern biology - Moon, Truman Jesse, 1879 -1946 (Holt, Rinehart and Winston, 1965)

Mollusca ... - Gude, Gerard Kalshoven, 1858 - (Taylor and Francis; [etc., etc.], 1908)

Mollusca - Mawson, Douglas, Sir, 1882 -1958 (Rogers, 1916)

The Mollusca and the Brachiopoda - Dall, William Healey, 1845 -1927 (Harvard College, Museum of Comparative Zoology], 1908)

Mollusca für 1901-1904 : geographische Verbreitung, Systematik und Biologie - Kobelt, Wilhelm, 1840 -1916 (Nicolai?, 1905)

The Mollusca of Dorsetshire : (marine, estuarine, freshwater, and land) and the Brachiopoda - Mansel-Pleydell, John Clavell, 1817 -1902 ("Dorset county chronicle" printing works, 1898)

The Mollusca of Dorsetshire (marine, estuarine, freshwater, and land) and the Brachiopoda - Mansel-Pleydell, John Clavell, 1817 -1902 ("Dorset County Chronicle" Print. Works, 1898)

The Mollusca of Funafuti, and supplement. From: The atoll of Funafuti, Ellice group: its zoology, botany, ethnology, and general structure based on collections made by Mrs. Charles Hedley, of the Australian museum, Sydney, N. S. W - Australian Museum (1896)

Mollusca : Testacellidae and Zonitidae - Godwin-Austen, Henry Haversham, 1834 -1923 (Taylor and Francis, 1908)

Mollusca: The Southern Synthesis [Fauna of Australia. Vol. 5] - Australian Biological Resources Study (CSIRO Publishing, 1998)