"United States" . . . . "Roy Wilkins, Dr. Hortense Powdermaker, Dr. Frederick Wertham, and others wrestle with the question of why racism continues to flourish in an enlightened age."@en . . . . . . . "Racism--the roots of rebellion"@en . . . "Roy Wilkins heads this painstaking panel examination of prejudice."@en . . . . . . "Racism the roots of rebellion"@en . .