Middle East Security: Conflict and Securitization of Identities

https://www.cia.gov/library/publications/the-world-factbook/
This database provides country-by-country facts and figures on populations, economies, and militaries.

http://www.mofa.gov.sa/sites/mofaen/Pages/Default.aspx
http://www.mfa.gov.tr/default.en.mfa
http://en.mfa.ir/
http://www.mfa.gov.eg/english/
Websites of the Foreign Ministries of the four key powers addressed in the chapter.

http://theglobalcoalition.org/en/home/

Official website of the Global Coalition against Daesh.