http://sks.sirs.com/cgi-bin/hst-article-display?id=SMN0307H-0-2383&artno=0000014119&type=ART&shfilter=U&key=&title=Rage%20in%20the%20Cage&res=Y&ren=Y&gov=Y&lnk=N&ic=Y

http://sks.sirs.com/cgi-bin/hst-article-display?id=SMN0307H-0-2383&artno=0000282746&type=ART&shfilter=U&key=&title=Solitary%20Confinement%3A%20An%20American%20Invention&res=Y&ren=Y&gov=Y&lnk=N&ic=Y

http://solitaryconfinement.org/resources