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 - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1881)

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, 1882)

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

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 (John 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 neighboring regions : prepared for the use of the Arctic Expedition of 1875, under the direction of 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. (H.M. Stationery Off., printed by G.E. Eyre and W. Spottiswoode, 1875)

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)

Manuel de conchyliologie et de paleontologie conchyliologique : ou, Histoire naturelle des mollusques vivants et fossiles - Fischer, Paul, 1835 -1893 (F. Savy, 1887)

Manuel de conchyliologie et paléontologie conchlyliologique - Chenu, Jean-Charles, 1808 -1879 (V. Masson, 1859)

Manuel de conchyliologie et paléontologie conchlyliologique - Chenu, Jean-Charles, 1808 -1879 (Victor Masson, 1859)

Manuel de conchyliologie, ou, Histoire naturelle des mollusques vivants et fossiles - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Savy, 1870)

Manuel de paléontologie - Hoernes, Rudolf, 1850 -1912 (Savy, 1886)

Martini and Chemnitz Conchylien-Cabinet second edition : index - Dall, William Healey, 1845 -1927 (Smithsonian Institution, 1907)

Materia medica Americana potissimum regni vegetabilis - Lloyd, C. G. (Curtis Gates), 1859 -1926 ([s.n.], 1903)

Material for a bibliography of North American mammals - Coues, Elliott, 1842 -1899 (Govt. print. off, 1877)

Material for a bibliography of North American mammals - Coues, Elliott, 1842 -1899 (G.P.O, 1877)

May flowers; being notes and notions on a few created things - Budgen, L. M. (L. Reeve, 1855)

M.E. Blochii ... Systema ichthyologiae iconibus CX illustratum - Schneider, Johann Gottlob, 1750 -1822 (Sumtibus auctoris impressum et Bibliopolio Sanderiano commissum, 1801)

Mémoires de l'Académie impériale des sciences de St. Pétersbourg. 5e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Académie impériale des sciences, 1815)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1893)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1887)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1899)

La medecine spagyrique : Oswald Crollius, Joseph DuChesne, Jean d'Aubry - Royal College of Physicians of London. (H. et H. Durville, 1912)

Meereskunde - Friedrich-Wilhelms-Universität Berlin. Institut für Meereskunde. (E.S. Mittler, 1907)

Meletemata entomologica - Kolenati, Friedrich A. (Friedrich August), 1813 -1864 (Imperialis Academiae Scientiarum, 1846)

The Australian Museum Memoir (Australian Museum, 1929)

Mémoires couronnés et autres mémoires publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (F. Hayez, 1889)

Mémoires couronnés et autres mémoires publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (F. Hayez, 1902)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 6e série. Seconde partie, Sciences naturelles - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) ([Académie impériale des sciences de St.-Pétersbourg], 1849)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1873)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1877)

Memoires de la Société d'Agriculture, Sciences et Arts d'Angers - Société d'Agriculture Sciences et Arts d'Angers. (1852)

Memoires de la Société (Royale) d'Emulation d'Abbeville - Société royale d'émulation d'Abbeville. (Société d'Emulation d'Abbeville, 1849)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1890)

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

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1922)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1916)

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

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, 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)