Recent Social Trends in the United States: Report of the President's Research Committee on Social Trends - Vol. 1 Wesley Clair Mitchell; United States, President's Research Committee on Social Trends.
McGraw Hill, 1933
The Web's Dark Secret: Before the Internet Came along, Pedophiles Were Lonely and Hunted Individuals. Authorities Had Child Pornography under Control. Today Networks of Child Abusers Are Proliferating Worldwide. A NEWSWEEK Investigation