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Marine algae of the Faeröes - Børgesen, Frederik, 1866 -1956 (Printed by H.H. Thiele, 1902)

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The marine algae of the Pacific coast of North America - Gardner, Nathaniel Lyon, 1864 -1937 (University of California Press, 1920)

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The marine algal vegetation - Carlsbergfondet (Copenhagen, Denmark) (J. Frimodt, 1912)

The marine botanist; an introduction to the study of algology, containing descriptions of the commonest British sea-weeds, and the best method of preserving them, with figures of the most remarkable species - Gifford, Isabella (Darton, 1848)

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Marine botany and sea-side objects : embracing every feature of interest connected with this delightful sea-side recreation : and illustrated with many charming specimens (Ward, Lock & Co)

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Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1890)

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Medical and oeconomical botany - Lindley, John, 1799 -1865 (Bradbury & Evans, 1849)

Medicinal plants. Being descriptions with original figures of the principal plants employed in medicine and an account of the characters, properties, and uses of their parts and products of medicinal value - Trimen, Henry, 1843 -1896 (J. & A. Churchill, 1880)

The medicinal, poisonous, and dietetic properties of the cryptogamic plants of the United States : being a report made to the American Medical Association at its sessions held in Richmond, Va., and St. Louis, Mo - Porcher, Francis Peyre, 1825 -1895 ([s.n.], 1854)

Medicinalflora : eine Einführung in die allgemeine und angewandte Morphologie und Systematik der Pflanzen, mit besonderer Rücksicht auf das Selbststudium für Pharmaceuten, Mediciner und Studirende - Müller, Carl, 1855 -1907 (J. Springer, 1890)

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

Die Meersalgen der Inseln Sizilien und Pantellaria - Langenbach, Gustav, 1831 -1873 (W. Weber, 1873)

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Mémoires du Muséum national d'histoire naturelle. Série C, Sciences de la terre - Muséum national d'histoire naturelle (France) (Ed. du Muséum, 1979)

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Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1966)

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The metabolism of algae - Fogg, G. E. (Gordon Elliott), 1919 - (Methuen, 1953)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (University of Chicago Press, 1932)

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Micro-palaeo phytologia formationis carboniferae : Iconographia et dispositio synoptica plantularum microscopicarum omnium in venis carbonis eorumque illis proximorum corpusculorum natura vegetabilica non incerta, quae inveniuntur et in venis carbonis et in stratis formationum infra supraque carboniferam sequentium - Reinsch, Paul Friedrich, 1836 -1914 (Germania, Redemptio Auctoris et apud T. Krische, etc., etc, 1884)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

The microscope : its history, construction, and application - Hogg, Jabez, 1817 -1899 (G. Routledge, 1867)

The microscope; its history, construction and application - Hogg, Jabez, 1817 -1899 (Routledge, 1867)

The microscope : its history, construction, and application, being a familiar introduction to the use of the instrument and the study of microscopical science - Hogg, Jabez, 1817 -1899 (G. Routledge and Sons, 1871)

The microscope : its history, construction, and application, being a familiar introduction to the use of the instrument, and the study of microscopial science - Hogg, Jabez, 1817 -1899 (George Routledge, 1867)

The microscope, : its history, construction, and applications: being a familiar introduction to the use of the instrument, and the study of microsopical science - Hogg, Jabez, 1817 -1899 (G. Routledge, 1887)

The microscopist : a compendium of microscopic science including the use of the microscope, mounting and preserving microscopic objects, the microscope in chemistry, biology, histology, botany, geology, pathology, etc - Wythe, J. H. (Joseph Henry), 1822 -1901 (P. Blakiston, Son & Co, 1883)

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Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1921)

Mikrochemie der pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1923)

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1913)

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