Maryland naturalist - Natural History Society of Maryland (The Society, 2002)

Maryland naturalist - Natural History Society of Maryland (The Society, 2003)

Maryland naturalist - Natural History Society of Maryland (The Society, 2009)

Maryland naturalist - Natural History Society of Maryland (The Society, 2012)

Massachusetts crop report - Massachusetts. State Board of Agriculture. ([Massachusetts State Board of Agriculture], 1895)

Massachusetts natural heritage program : plant community classification - Massachusetts. Dept. of Environmental Management. (s.n.], 1979)

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

Materica medica of India and their therapeutics - Katrak, Nanabhai Navrosji. (Printed at the "Times of India" Press, 1903)

May bulletin No. 3 May 1, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1943)

Meadow Brook Nurseries, Inc. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Meadow Brook Nurseries, Inc., [1925], 1925)

Meadowlark - Illinois Ornithological Society. (Illinois Ornithological Society, 2003)

Meadowlark - Illinois Ornithological Society. (Illinois Ornithological Society, 2005)

Measures for stand improvement in southern Appalachian forests - Civilian Conservation Corps (U.S.) (U.S. G.P.O, 1933)

Medical botany; or, Descriptions of the more important plants used in medicine, with their history, properties, and mode of administration - Griffith, R. Eglesfeld (Robert Eglesfeld), 1798 -1850 (Lea and Blanchard, 1847)

Medical flora, or, Manual of the medical botany of the United States of North America ... - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Atkinson & Alexander, 1830)

Medical flora or, Manual of the medical botany of the United States of North America : containing a selection of above 100 figures and descriptions of medical plants, with their names, qualities, properties, history, &c.: and notes or remarks on nearly 500 equivalent substitutes - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Atkinson & Alexander, 1828)

Medicinal plants : an illustrated and descriptive guide to plants indigenous to and naturalized in the United States which are used in medicine, their description, origin, history, preparation, chemistry and physiological effects fully described ... - Millspaugh, Charles Frederick, 1854 -1923 (J.C. Yorston, 1892)

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 plants of Tennnessee : exhibiting their commercial value : with an analytical key, descriptions in aid of their recognition, and notes relating to their distribution, time and mode of collection, and preparation for the drug market - Gattinger, Augustin, 1825 -1903 (Franc. M. Paul, Printer to the State, 1894)

Meehan's monthly : a magazine of horticulture, botany, and kindred subjects (T. Meehan & Sons, 1891)

Meehans' book of hardy plants : describes the most complete assortment of high grade hardy stock in America - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan and Sons Inc, 1904)

Meehans' established 1854 : 49th edition autumn 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, Inc, 1909)

Meehans' garden bulletin [Vol. 2 no. 7] March, 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1911)

Meehans' garden bulletin. including Meehans' lawn and garden plant list [Vol. 3 nos. 1 and 2] September-October, 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1911)

Meehans' hardy plants for lawn and garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons], 1911)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1894)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1897)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1899)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1900)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1902)

Meehans' Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1895)

Meehans' Nurseries : [catalogue] - Meehan, Thomas, 1826 -1901 (Thomas Meehan & Sons, 1893)

Meehans' Nurseries wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1899)

Meehans' Nurseries wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1898)

Meehans' Nurseries wholesale trade list - Meehan, Thomas, 1826 -1901 (Thomas Meehan & Sons, 1894)

Meehans' Nurseries wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1895)

Meehans' Nurseries wholesale trade list - Meehan, Thomas, 1826 -1901 (Thomas Meehan & Sons, 1895)

Meehans' Nurseries wholesale trade list : fall, 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, Inc, 1902)

Meehans' plant book : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1912)

Meehans' wholesale catalogue : spring, 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1912)

Melines Conklin Leavenworth and John Torrey correspondence, 1836-1845 - Leavenworth, Melines Conklin, 1796 -1862 (1837)

Memoir - Cornell University. Agricultural Experiment Station. (1923)

Mémoire sur la naturalisation des arbres forestiers de l'Amérique Septentrionale, dans lequel on indique ce que l'ancien gouvernement avoit fait pour arriver à ce but, et les moyens qu'il conviendroit d'employer pour y parvenir; suivi d'un tableau raisonné des arbres de ce pays comparés avec ceux qui produit la France - Cels, Jacques-Martin, 1743 -1806 (Chez Levrault, Schoel et compagnie, rue de Seine, faubourg Saint-Germain, Hotel de la Rochefoucault, an XIII, 1805)

Mémoires de la Société historique de Montréal - Kalm, Pehr, 1716 -1779 (s.n.], 1880)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1963)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1972)

Memoirs of the Geological Survey of New South Wales Palaeontology - Geological Survey of New South Wales. (C. Potter, 1888)

Memoirs of the National Academy of Sciences - National Academy of Sciences (U.S.) (Government Printing Office, 1914)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1890)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1893)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1900)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1899)

Memoria sobre la parte forestal de la Exposicion de Lóndres de 1862 - Bosch y Juliá, Miguel, 1818 -1879 (Imprenta nacional, 1863)

Memories of Fruitland Nurseries : grandmother's favorite established in August - Georgia 1856 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1938)

Mentor Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mentor Nurseries, 1920)

Mentor Nurseries [catalog, 1916] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mentor Nurseries, 1916)

Message from the President of the United States, transmitting a report of the secretary of agriculture in relation to the forests, rivers and mountains of the southern Appalachian region - United States. Bureau of Forestry. (Gov't print. off, 1902)

Message from the President of the United States transmitting a report of the Secretary of agriculture in relation to the forests, rivers, and mountains of the Southern Appalachian region. December 19, 1901. – Read, referred to the Committee on forest reservations and the protection of game and ordered to be printed - Geological Survey (U.S.) (Govt. print. off, 1902)

Message from the President ... transmitting a report...in relation to the forest... - United States. Department of Agriculture.

The Metaspermae of the Minnesota Valley. A list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley : a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 (Geological and Natural History Survey of Minnesota, 1892)

The Metaspermae of the Minnesota valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota river - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Ticknor and Fields, 1863)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (James R. Osgood and Co, 1874)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin, 1889)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin, 1885)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin and Company, 1886)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Fields, Osgood, & Co, 1869)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Ticknor and Fields, 1864)

[M.H. Harman Company materials] - M.H. Harman Company. (M.H. Harman Company, 1908)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1877)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1966)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1970)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1969)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1973)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1972)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1971)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1976)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1974)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1977)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1978)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1980)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1981)