International Humanitarian law

ALMA - Association for the Promotion of International Humanitarian Law
http://www.alma-ihl.org/

Treaties and Customary Law

http://www.icrc.org/eng/war-and-law/treaties-customary-law/index.jsp

ICRC- What's new?

http://www.icrc.org/eng/home/whats-new/index.jsp

ICRC- Annual Report

http://www.icrc.org/eng/resources/annual-report/index.jsp

International Committee of the Red Cross:

http://www.icrc.org/

International Humanitarian Law Research Initiative

http://www.ihlresearch.org/ihl/