"When a Thought of War Comes, Oppose It By a Stronger Thought of Peace: Baha’i Inspiration Amidst Disunity" by Homa Sabet Tavangar, www.huffingtonpost.com. November 25, 2014.
"Paris Talks". Book by Abdu'l-Bahá ("The Pitiful Causes of War, and the Duty of Everyone to Strive for Peace," October 21, 1911), reference.bahai.org. 1912.