Alan Greenspan's speech at the Annual Dinner and Francis Boyer Lecture of The American Enterprise Institute for Public Policy Research in Washington, D.C., www.federalreserve.gov. December 5, 1996.
"'I envisioned my child pushing through a very heavy door… so I couldn't think about my own pain': Beyoncé opens up about giving birth and her plans for baby No.2" by Fehintola Betiku, www.dailymail.co.uk. February 11, 2013.