For more info on Tuol Sleng and S-21 prison:

>> Killing Fields (Twin Palms), 1996
>> The Lost Executioner: A Story of the Khmer Rouge
>> Facing Death in Cambodia, by Peter Maguire
>> The Pol Pot Regime, by Ben Kiernan
>> Pol Pot: Anatomy of a Nightmare, by Philip Short
>> Voices from S-21: Terror and History in Pol Pot's Secret Prison
>> Documentation Center of Cambodia (DC-CAM)
>> Vann Nath: A Cambodian Prison Portrait
>> S21: The Khmer Rouge Killing Machine (documentary)
>> Wikipedia listing on Tuol Sleng
>> New York Times story on Nhem Ein, the prison photographer
>> The Conscience of Nhem En, a documentary film
>> Enemies of the People (documentary)
>> Tuol Sleng Museum website
>> Village Voice review of MOMA exhibit
>> New York Times review of MOMA exhibit
>> New York Times story on colorization and manipulation of S-21 photographs
>> Story about prisoner Khva Leang