2004
- Christine Rosen, "Preaching Eugenics. Religious Leaders and the American Eugenics Movement" (2004)
- "Ethics and Public Policy Center"; http://www.eppc.org/publications/bookID.51/book_detail.asp
- Sander Gliboff, "Darwin on Trial Again" [a review of: Richard Weikart. From Darwin to Hitler: Evolutionary Ethics, Eugenics, and Racism in Germany] (2004)
- H-NET Online, Published by: H-German (September, 2004); http://h-net.msu.edu/cgi-bin/logbrowse.pl?trx=vx&list=h-disability&month=0501&week=c&msg=9uaEAlKgwmCPgfwkDg9UbA&user=&pw=