http://www.who.int/en/
http://www.icrc.org/eng/
http://www.rescue.org/
http://phap.org/
http://relief.medair.org/en/
http://www.chemonics.com/Pages/Home.aspx
http://crs.org/
http://www.merlin.org.uk/
http://www.iom.int/cms/en/sites/iom/home.html
http://worldconcern.org/