A manual of botany: being an introduction to the study of the structure, physiology, and classification of plants - Balfour, John Hutton, 1808 -1884 (J. J. Griffin [etc.] 1851, 1851)

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, 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)

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 (American Book Co, 1896)

A manual of palæontology for the use of students : with a general introduction on the principles of palæontology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood and sons, 1879)

A manual of palaeontology for the use of students with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood and sons, 1872)

A manual of palaeontology for the use of students with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1889)

A manual of palæontology for the use of students : with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1872)

A manual of scientific terms, pronouncing, etymological, and explanatory, chiefly comprising terms in botany, natural history, anatomy, medicine, and veterinary science, with an appendix of specific names. Designed for the use of junior medical students, and others studying one or other of these sciences - Stormonth, James, 1824 -1882 (Maclachlan and Stewart, 1885)

Manuel d'actinologie ou de zoophytologie - Blainville, H.-M. Ducrotay de (Henri-Marie Ducrotay), 1777 -1850 (1834)

Materials for the palaeontology of New Zealand - Thomson, James Allan, 1881 -1928 (J. Mackay, 1913)

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Das mechanische Princip in anatomischen Bau der Monocotylen : mit vergleichenden Ausblicken auf übrigen Pflanzenklassen - Royal College of Physicians of Edinburgh. (W. Engelmann, 1874)

The medals of creation or, First lessons in geology, and the study of organic remains - Mantell, Gideon Algernon, 1790 -1852 (H.G. Bohn, 1854)

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Mededeelingen van 's Rijks Herbarium - Rijksherbarium (Netherlands) ([Rijks Universiteit, Rijks Herbarium], 1913)

Medicinisch-pharmaceutische botanik zugleich als handbuch der systematischen botanik fur botaniker, arzte und apotheker - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1849)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1880)

The Australian Museum Memoir (Australian Museum, 1971)

Mémoires couronnés et mémoires des savants étrangers / 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. (1826)

Mémoires de l'Academie (Royale) des Sciences, Belles-Lettres et Arts de Lyon - Académie des sciences, belles-lettres et arts de Lyon. (Aadémie (Royale) des Sciences, Belles-Lettres et Art de Lyon, 1855)

Mémoires de l'Academie (Royale) des Sciences, Belles-Lettres et Arts de Lyon - Académie des sciences, belles-lettres et arts de Lyon. (Aadémie (Royale) des Sciences, Belles-Lettres et Art de Lyon, 1856)

Mémoires de l'Académie (royale) des sciences de l'Institut (imperial) de France - Académie royale des sciences (France) (1838)

Mémoires de l'Institut National Genevois - Institut national genevois. (1854)

Mémoires de la Société d'émulation du Doubs - Société d'émulation du Doubs. ([La Société])

Mémoires de la Société géologique de France - Société géologique de France. (F.-G. Levrault, 1840)

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Mémoires de la Société géologique de France. Paléontologie - Société géologique de France. (Libraire polytechnique Baudry, 1899)

Mémoires de la Société géologique de France. Paléontologie - Société géologique de France. (Libraire polytechnique Baudry, 1901)

Mémoires du Musée royal d'histoire naturelle de Belgique - Musée royal d'histoire naturelle de Belgique. (Le Musée, 1907)

Mémoires du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (G. Dufour, 1822)

Mémoires du Muséum national d'histoire naturelle. Série C, Sciences de la terre - Muséum national d'histoire naturelle (France) (Ed. du Muséum, 1953)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Museum, 1948)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1995)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1998)

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

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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)

Microscopic objects, animal, vegetable and mineral; with instructions for preparing and viewing them - Pritchard, Andrew, 1804 -1882 (Whittaker, 1847)

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)

Miscellanea Curiosa, sive Ephemiridum Medico-Physicarum Germanicarum Academiae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (1701)

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Mitteilungen aus den Botanischen Staatsinstituten in Hamburg - Botanische Staatsinstitut (Hamburg, Germany) (L. Gräfe & Sillem, 1901)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1911)

Mittheilungen der Naturforschende Gesellschaft in Zürich - Naturforschende Gesellschaft in Zürich. (In Commission bei S. Höhr, 1850)

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I molluschi dei terreni terziarii del Piemonte e della Liguria - Bellardi, Luigi, 1818 -1889 (Stamperia Reale, 1894)

A monograph of the British Eocene flora - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (Printed for the Palæontographical society, 1883)

A monograph of the fossil insects of the British coal measures - Bolton, Herbert, 1863 -1936 (Printed for the Palaeontographical society, 1921)

[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 genera and species of Pneumonopoma : a manuscript English translation by the author of his "Monographia Pneumonopomorum viventium, ...." - Gray, John Edward 1800 -1875 (1852)