https://www.theguardian.com/world/2014/sep/10/obama-speech-authorise-air-strikes-against-isis-syria

https://www.usnews.com/opinion/articles/2014/09/23/obama-orders-airstrikes-against-the-islamic-state-in-syria-pundits-react

http://www.whitehousedossier.com/2014/06/19/obama-prepared-order-airstrikes-iraq/