Будущая эволюция человека. Евгеника двадцать первого века

Weyl, Nathaniel & Possony, Stefan. 1963. The Geography of the Intellect.Chicago.

Weyl, Nathaniel. 1967. «Aristocide as a Force in History», Intercollegiate Review,June 1967, 237—245.

Willing, Richard. 2001. «Human Cloning Banned by House», USA Today,August 1,Wright, Lawrence. 1997. Twins and What They Tell Us About Who We Are,New York.

Wright, William. 1998. Born That Way: Genes, Behavior, Personality.New York. Yax, Laura K. 2000. «Statistical Brief: Mothers Who Receive AFDC Payments», U.S. Census Bureau, September 13, WWW. Zoll, Rachel. 2002. «Jewish population in U.S. declining: Median age up 4 years, survey finds», Washington Times,October 9, A2.