found: Work cat.: Arsenault, R. Freedom riders, 2006.
found: Peck, J. Freedom ride, 1962.
found: King encyclopedia, via WWW, June 28, 2007(During the spring of 1961, student activists launched the Freedom Rides to challenge segregation on interstate buses and bus terminals)
found: Encyclopedia Brittanica, via WWW, June 28, 2007(In U.S. history, a series of political protests against segregation by blacks and whites who rode buses together through the American South in 1961)
found: Wikipedia, July 16, 2007(Freedom ride; the first Freedom Ride left Washington DC on May 4, 1961, and was scheduled to arrive in New Orleans on May 17)
