William J. Federer, Back Fired, Amerisearch. URL consultato il 18 ottobre 2007.
«In a National Day of Prayer Proclamation, December 5, 1974, President Gerald R. Ford, quoted President Dwight David Eisenhower's 1955 statement: Without God there could be no American form of government, nor an American way of life. Recognition of the Supreme Being is the first – the most basic – expression of Americanism.»