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

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

Malacologia - Institute of Malacology. (Institute of Malacology], 2007)

Malacologia - Institute of Malacology. (Institute of Malacology], 2008)

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

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

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

The Malacological and conchological magazine - Sowerby, George Brettingham, 1788 -1854 (G.B. Sowerby, 1838)

The Malacological and conchological magazine - Sowerby, George Brettingham, 1788 -1854 (G.B. Sowerby, 1839)

Malacologie de l'Algérie, ou, Histoire naturelle des animaux mollusques terrestres et fluviatiles recueillis jusqu'à ce jour dans nos possessions du nord de l'Afrique - Bourguignat, Jules René, 1829 -1892 (Challamel aine,́, 1864)

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, 1864)

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

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)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1870)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1871)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1872)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1873)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1875)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1876)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1877)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1891)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1890)

A manual of botany, anatomical and physiological : for the use of students - Royal College of Physicians of Edinburgh. (W. Blackwood, 1874)

A manual of botany: including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (John Churchill and Sons, 1870)

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)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1879)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1888)

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

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1886)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1897)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1897)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1911)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1885)

A manual of elementary geology - Lyell, Charles, Sir, 1797 -1875 ([s.n.], 1855)

A manual of elementary geology: or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments - Lyell, Charles, Sir, 1797 -1875 (D. Appleton, 1857)

A manual of elementary geology: or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments - Lyell, Charles, Sir, 1797 -1875 (D. Appleton and Company, 1860)

Manual of geology: theoretical and practical - Seeley, H. G. (Harry Govier), 1839 -1909 (C. Griffin and company, 1885)

Manual of geology: treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (American book company, 1880)

Manual of geology: treating of the principles of the science with special reference to American geological history, for the use of colleges, academies, and schools of science - Dana, James Dwight, 1813 -1895 (T. Bliss, 1867)

Manual of geology, treating of the principles of the science, with special reference to American geological history, for the use of colleges, academies, and schools of science - Dana, James Dwight, 1813 -1895 (T. Bliss & co, 1863)

Manual of geology, treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (Ivison, Blakeman, Taylor and Co, 1874)