International Committee of the Red Cross (ICRC)
http://www.icrc.org
For international humanitarian law, including national implementation
a) in English: http://www.icrc.org/ihl
b) in French: http://www.cicr.org/dih
c) in Spanish: http://www.cicr.org/spa
International Fact-Finding Commission (IHFFC)
http://www.ihffc.org
Secretariat : DFAE/DDIP, Palais Fédéral, CH-3003 Berne