TY - JOUR A1 - Dobzhansky, T. A1 - Allen, G. T1 - Does Natural Selection Continue to Operate in Modern Mankind? JF - American Anthropologist, Vol. 58 (1956), pp. 591-604. Y1 - 1956 ER - TY - JOUR A1 - Dobzhansky, T. T1 - Man and Natural Selection JF - W. H. Truitt and T. W. G. Somonons (Eds.), Science, Technology, and Freedom, Boston (Houghton Mifflin Company) 1974, pp. 144-148. Y1 - 1974 ER - TY - BOOK A1 - Dobzhansky, T. T1 - The biological basis of human freedom, New York and London (Columbia University Press) 1969. Y1 - 1969 N1 - Marks in the copy ER - TY - BOOK A1 - Dobzhansky, T. T1 - The biology of ultimate concern, New York (The New American Library) 1967. Y1 - 1967 N1 - Notes in the copy ER -