Maryland geological survey - Maryland Geological Survey. (The Johns Hopkins Press, 1911)

Maryland geological survey - Maryland Geological Survey. (The Johns Hopkins Press, 1916)

May 1931 seed for nurserymen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1931)

McDonnell's home planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McDonnell Nursery, 1956)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1893)

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

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1892)

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, 1898)

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, 1901)

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. (1873)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1878)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1890)

Mémoires de la Société géologique de France Paléontologie - Société géologique de France. (Libraire polytechnique Baudry, 1910)

Mémoires de la Société linnéenne du Calvados - Société Linneenne du Calvados. (Chalopin fils, imprimeur de La Société, 1825)

Memoirs of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (The Academy, 1857)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1997)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1920)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1919)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1921)

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

Memoirs of the Geological Survey of New South Wales Palaeontology - Geological Survey of New South Wales. (C. Potter, 1890)

Memoirs of the Horticultural Society of New York - Horticultural Society of New York. (The Society, 1902)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1882)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1915)