Opfermann, C. (2002). The art of darkness: Marat/Sade and Adolf Eichmann : the truth about the "Paradise Ghetto" and the cultural programs known as Freizeitgestaltung at the Nazi concentration camp Theresienstadt with special focus on music and theater programs performed 1942-1945 : facts and fiction during and since World War II with many drawings, created between 1942 and 1945 by my fellow prisoners. University Trace Press, Houston.

Opfermann, Charlotte. The Art of Darkness: Marat/Sade and Adolf Eichmann : The Truth About the "Paradise Ghetto" and the Cultural Programs Known as Freizeitgestaltung at the Nazi Concentration Camp Theresienstadt with Special Focus on Music and Theater Programs Performed 1942-1945 : Facts and Fiction During and Since World War II with Many Drawings, Created Between 1942 and 1945 by My Fellow Prisoners. Houston, TX: University Trace Press, Houston, 2002.

Opfermann, Charlotte. The Art of Darkness: Marat/Sade and Adolf Eichmann : The Truth About the "Paradise Ghetto" and the Cultural Programs Known as Freizeitgestaltung at the Nazi Concentration Camp Theresienstadt with Special Focus on Music and Theater Programs Performed 1942-1945 : Facts and Fiction During and Since World War II with Many Drawings, Created Between 1942 and 1945 by My Fellow Prisoners. University Trace Press, Houston, 2002.