Mollusques terrestres et fluviatiles - Germain, Louis, 1878 -1942 ([Angers, Imprimerie F. Gaultier et A. Thébert], 1923)

Mollusques terrestres et fluviatiles recueillis par M. Paul Soleillet dans son voyage au Choa (Éthiopie méridionale) - Soleillet, Paul, 1842 -1886 (Tremblay, 1885)

Mollusques terrestres vivants du Piémont - Stabile, Giuseppe, 1826 -1869 (Impr. Bernardoni, 1864)

Mollusques vivants et fossiles - Orbigny, Alcide Dessalines d', 1802 -1857 (Adolphe Delahays, 1855)

Mollusques vivants et fossiles : ou, description de toutes les espèces de coquilles et de mollusques ; classées suivant leur distribution géologique et géographique - Orbigny, Alcide Dessalines d', 1802 -1857 (Gide et Cie., éditeurs, 1845)

Moluscos del viaje al Pacífico : verificado de 1862 á 1865 por una comisión de naturalistas enviada por el Gobierno Español - Hidalgo, J. G, (Joaquín González) (Impr. de Miguel Ginesta, 1869)

Moluscos marinos de España, Portugal y las Baleares - Hidalgo, J. G, (Joaquín González) (Impr. de M. Ginesta, 1870)

Moluscos terrestres, fluviais e das águas salobras : 2. fasc - Nobre, Augusto, 1865 -1946 (Livraria Ferin, Baptista, Torres, 1913)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1864)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1876)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1878)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1879)

A monograph of Christmas Island (Indian Ocean) - British Museum (Natural History). Department of Geology. (Printed by order of the Trustees, 1900)

A monograph of the Crag mollusca; or, Descriptions of shells from the middle and upper Tertiaries of the east of England - Wood, Searles V. (Searles Valentine), 1798 -1880 (Palaeontographical Society, 1848)

A monograph of the Crag mollusca; or, Descriptions of shells from the middle and upper Tertiaries of the east of England - Wood, Searles V. (Searles Valentine), 1798 -1880 (Palaeontographical Society, 1850)

A monograph of the Crag Mollusca : with descriptions of shells from the upper Tertiaries of the British Isles - Wood, Searles V. (Searles Valentine), 1798 -1880 (Printed for the Palæontographical society, 1848)

A monograph of the Crag Mollusca; with descriptions of shells from the upper Tertiaries of the British Isles - Wood, Searles V. (Searles Valentine), 1798 -1880 (Printed for the Palaeontographical Society, 1848)

A monograph of the Crag Mollusca; with descriptions of shells from the upper Tertiaries of the British Isles - Wood, Searles V. (Searles Valentine), 1798 -1880 (Printed for the Palaeontographical Society, 1851)

A monograph of the Eocene Mollusca : descriptions of shells from the older Tertiaries of England - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1849)

[Monograph of the genera and species of Pneumonopoma : a manuscript English translation by the author of his "Monographia Pneumonopomorum viventium, ...." - Gray, John Edward 1800 -1875 (1875)

Monograph of the genus Bulimus - Reeve, Lowell Augustus 1814 -1865 (V. Brooks, Reeve, Benham and Reeve, impr.], 1848)

Monograph of the Genus Partula : Monograph of the Genus Achatina : Monograph of the Genus Achatinella ([s.n.], 1849)

Monograph of the land & freshwater Mollusca of the British Isles - Roebuck, William Denison, 1851 -1919 (Taylor Brothers, 1894)

Monograph of the land & freshwater Mollusca of the British isles - Roebuck, William Denison, 1851 -1919 (Taylor brothers, 1907)

A monograph of the North American Phoridae - Brues, Charles T. (Charles Thomas), 1879 -1955 (s.n.], 1903)

Monograph of the order Pholadacea, and other papers - Tryon, George W., (George Washington), 1838 -1888 (Merrihew & Thompson, Printers, 1862)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1848)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1852)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1877)

A monograph of the terrestrial Mollusca inhabiting the United States. With illustrations of all the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the author, 1866)

A monograph of the terrestrial Mollusca inhabiting the United States : with illustrations of all species - Tryon, George W., (George Washington), 1838 -1888 (The Author, 1866)

Monographia auriculaceorum viventium. Sistens descriptiones systematicas et criticas omnium hujus familiae generum et specierum hodie cognitarum, nec non fossilium enumeratione - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus Theodore Fischer, 1856)

Monographia heliceorum viventium : sistens descriptiones systematicas et criticas omnium hujus familiae generum et specierum hodie cognitarum / auctore Ludovico Pfeiffer - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (1848)

Monographia heliceorum viventium : sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Brockhaus, 1848)

Monographia heliceorum viventium : sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Brockhaus, 1853)