International Criminal Court
www.icc-cpi.int
The web site of the International Criminal Court contains details of each of the
cases presently before the Court, as well as documents including the Rome Statute.

International Center for Transitional Justice
www.ictj.org 
The International Center for Transitional Justice is an NGO that works in countries around the world, helping to develop transitional justice solutions in post-conflict societies.

International Journal of Transitional Justice
ijtj.oxfordjournals.org/ 
An academic journal specialized in studies dealing with the topic of transitional justice.

United States Institute of Peace: Truth Commissions Digital Collection
www.usip.org/library/truth.html 
The USIP website has a wide collection of primary documents from a number of truth commissions.