Malacologia - Institute of Malacology. (Institute of Malacology], 1996)

Malacologia - Institute of Malacology. (Institute of Malacology], 1998)

Malacologia - Institute of Malacology. (Institute of Malacology], 2004)

Malacologia - Institute of Malacology. (Institute of Malacology], 2006)

Malacologia - Institute of Malacology. (Institute of Malacology], 2010)

Malacologia - Institute of Malacology. (Institute of Malacology], 2012)

Malacologia - Institute of Malacology. (Institute of Malacology], 2011)

Malacological notes, II - Haas, Fritz, 1886 -1969 (Field Museum of Natural History, 1941)

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

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1858)

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

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

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1864)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1865)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1866)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1867)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1868)

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

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1903)

Mammals of the Soviet Union - Hoffmann, Robert S. (Smithsonian Institution Libraries and National Science Foundation, 1996)

Mantissa insectorum sistens eorum species nuper detectas adiectis characteribus genericis, differentiis specificis, emendationibus, observationibus - Fabricius, Johann Christian, 1745 -1808 (Impensis C. G. Proft, 1787)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1904)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1908)

A manual of comparative anatomy - Blumenbach, Johann Friedrich, 1752 -1840 (Printed for W. Simpkin and R. Marshall, 1827)

A manual of conchology, according to the system laid down by Lamarck, with the late improvements by De Blainville exemplified and arranged for the use of students - Wyatt, Thomas, A. M. (Harper & brothers, 1838)

A manual of marine zoology for the British Isles - Gosse, Philip Henry, 1810 -1888 (J. Van Voorst, 1855)

A manual of North American butterflies - Maynard, C. J. (Charles Johnson), 1845 -1929 (De Wolfe, Fiske & Co, 1891)

A manual of the Mollusca; being a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (C. Lockwood, 1880)

A manual of the mollusca; or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca : or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the mollusca; or, Rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca; or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca : a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue & Co, 1868)

A manual of the Mollusca: a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue Brothers & Co, 1866)

Manual of the natural history, geology and physics of Greenland and the neighbouring regions / prepared for the use of the Arctic expedition of 1875, under the direction of the Arctic Committee of the Royal Society and edited by T. Rupert Jones. Together with Instructions suggested by the Arctic Committee of the Royal Society for the use of the expedition / published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (Printed for H.M.S.O, 1875)

Manual of the New Zealand Mollusca. A systematic and descriptive catalogue of the marine and land shells, and of the soft mollusks and Polyzoa of New Zealand and the adjacent islands - Hutton, Frederick Wollaston, 1836 -1905 (Printed at the office of J. Hughes, 1880)

Manual of the New Zealand mollusca - Suter, Henry 1841 -1918 (J. Mackay, govt. printer, 1913)