1McCabe, Joseph.1921 The ACB of Evolution. G P Putnam, New York.
2McLennan, Joseph F.1876 Studies in Ancient History. First Series. Bernard Quaritch, London.
3McLennan, Joseph F.1896 Studies in Ancient History. Second Series. Macmillan, London.
4Miall, L C.1912 The Early Naturalists : Their Lives and Work (1530-1789). Macmillan, London.
5Mill, John Stuart.1846 A System of Logic. 1st ed. Harper, New York.
6Mill, John Stuart.1886 A Systera of Logic. 8th ed. Longmans, Green, London.
7Morgan, Lewis Henry.1871 Systems of Consanguinity and Affinity of the Human Family. Smithsonian Contributions to Knowledge. Vol. 17. Washington,D. C.
8Morgan, Lewis Henry.1964 Ancient Society. Ed. By Leslie A White Harvard University Press, Cambridge, Mass.
9Murphree, Idus L.1961" The Evolutionary Anthropologists: The Progress of Mankind." Proceedings of the American Philosophical ,Society, Vol. 105, pp. 265-300.
10Nisbet, Robert A.1969 Social Change and History. Oxford University Press, New York.