Foreign Terrorist Organizations (FTOs). United States Department of State. 2005-10-11 [2006-07-16]. (原始内容存档于2006-07-12). "Current ListofDesignated Foreign
Cause of Tensions among TerroristGroups in Syria (页面存档备份,存于互联网档案馆)". Fars News Agency. 2017-02-09. Ali Harb. Syria war updates: Rebels take control of Aleppo
are groups that are on the State Department’s listof foreign terrorist organizations, including al-Shabab, the Popular Front for the Liberation of Palestine
Designation of foreign terrorist organizations. U.S. Government Publishing Office. 2014 [2016-08-04]. (原始内容存档于2016-05-21). Other Groupsof Concern (PDF)