Mission scientifique au Mexique et dans l'Amérique Centrale : ouvrage publié par ordre de S.M. l'Empereur et par les soins du Ministre de l'instruction publique - Fournier, Eugène, 1834 -1884 (Imprimerie impériale, 1872)

Mission scientifique du cap Horn, 1882-1883 - Mission scientifique du Cape Horn, 1882-1883. (Gauthier-Villars, 1889)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1876)

Modern biology - Moon, Truman Jesse, 1879 -1946 (H. Holt and company, 1947)

I molluschi dei terreni terziarii del Piemonte e della Liguria - Bellardi, Luigi, 1818 -1889 (Stamperia Reale, 1896)

Les mollusques marins du Roussillon - Dautzenberg, Ph. (Philippe), 1849 -1935 (J.-B. Baillière, 1882)

Les mollusques marins du Roussillon - Dautzenberg, Ph. (Philippe), 1849 -1935 (J.-B. Baillière, 1887)

Monadelphiae classis dissertationes decem - Cavanilles, Antonio José, 1745 -1804 (Apud F.A. Didot, 1785)

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

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 : 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)

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

Monographie der Medusen - Haeckel, Ernst, 1834 -1919 (G. Fischer, 1879)

Die Moose Deutschlands ; Die Lebermoose ; Die bisher bekannten europäischen Characeen - Sydow, P. (Paul), 1851 -1925 (A. Stubenrauch, 1881)

Morphology of the angiosperms - Eames, Arthur J., 1881 -1969 (McGraw-Hill, 1961)

The moss flora of New York City and vicinity - Grout, A. J. (Abel Joel), 1867 -1947 (The author, 1915)

Mosses and lichens : a popular guide to the identification and study of our commoner mosses and lichens, their uses, and methods of preserving - Marshall, Nina L. (Doubleday, Page, 1920)

Mosses and lichens; a popular guide to the identification and study of our commoner mosses and lichens, their uses, and methods of preserving - Marshall, Nina L. (Doubleday, Page, 1907)

Mosses and liverworts; an introduction to their study, with hints as to their collection and preservation. With illustrations from original microscopical drawings - Russell, T. H. (S. Low, 1910)

Mosses of Alaska - Cardot, Jules, 1860 -1934 (1900)

The mosses of Alaska - Cardot, Jules, 1860 -1934 (The Academy, 1902)

Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States - Grout, A. J. (Abel Joel), 1867 -1947 (1905)

Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States - Grout, A. J. (Abel Joel), 1867 -1947 (A. Grout, 1903)

Mosses with hand-lens and microscope; a non-technical hand-book of the more common mosses of the northeastern United States - Grout, A. J. (Abel Joel), 1867 -1947 (1900)

Mosses with a hand-lens. a non-technical handbook of the more common and more easily recognized mosses of the northeastern United States - Grout, A. J. (Abel Joel), 1867 -1947 (1905)

Moths - Bell, Thomas Reid Davys, 1863 -1948 (Taylor and Francis; [etc., etc.], 1894)

The moths of the British Isles - South, Richard, 1846 -1932 (F. Warne, 1900)

The moths of the British Isles - South, Richard, 1846 -1932 (Frederick Warne & Co, 1920)

The moths of the British Isles - South, Richard, 1846 -1932 (F. Warne & Co, 1909)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1975)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 2011)

The musci and hepaticae of the United States east of the Mississippi River : contributed to the second edition of Gray's manual of botany - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, & co, 1871)

The Musci and Hepaticae of the United States east of the Mississippi River. Contributed to the second edition of Gray's Manual of botany - Sullivant, William S. (William Starling), 1803 -1873 (G.P. Putnam, 1856)

The musci and hepaticae of the United States east of the Mississippi River :contributed to the second edition of Gray's manual of botany - Gray, Asa, 1810 -1888 (George P. Putnam, 1856)

Musci Appalachiani : tickets of specimens of mosses collected mostly in the eastern part of North America - Austin, Coe F. (Coe Finch), 1831 -1880 ([s.n.], 1870)

Musci Austro-Americani - Mitten, William, 1819 -1906 (Missouri Botanical Garden, 1982)