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

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1883)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1884)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1886)

Monograph of the Sesiidæ of America, north of Mexico - Beutenmüller, William, 1864 -1934 (1901)

A monograph of the Sphingidae of America north of Mexico - Smith, John Bernhard, 1858 -1912 (American Entomological Society, 1888)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1889)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1895)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1899)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1905)

The Monthly bulletin of the State Commission of Horticulture - California. State Commission of Horticulture. (The Commission, 1911)

Monthly catalog, May, 1956 : pot grown lining out stock in 2 1/4 and 3" pots - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1956)

Monthly catalog, November, 1956 : pot grown lining out stock in 2 1/4" and 3" pots - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1956)

Monthly catalog supplement, November : a complete list of ornamentals in all sizes : 1-gal., 5-gal. & 7-gal containers, 2 1/4", 3", 4", 5" and 7" pots, espaliers and standards - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1952)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1927)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1930)

Morphology of gymnosperms - Coulter, John Merle, 1851 -1928 (University of Chicago Press, 1910)

Morphology of gymnosperms - Coulter, John Merle, 1851 -1928 (University of Chicago Press, 1917)