FAS: Revolutionary Armed Forces of Colombia (FARC) - Description, activities, strength, area of operation and external aid. Links to additional resources. From the Federation of American Scientists. USA. - http://www.fas.org/irp/world/para/farc.htm
ICT: Revolutionary Armed Forces of Colombia (FARC) - Links, updates and history of attacks. From The International Policy Institute for Counter-Terrorism, Israel. - http://www.ict.org.il/inter_ter/orgdet.cfm?orgid=37