Sweeney, Jon M. (21. 2. 2018). „How Billy Graham shaped American Catholicism”. America Magazine. Приступљено 2. 4. 2018. „A few years later, in 1964, Cardinal Richard Cushing of Boston (who, as archbishop, had even endorsed a Graham crusade in Boston in 1950) met with Mr. Graham upon returning from Rome and the Second Vatican Council, declaring before a national television audience that Mr. Graham's message was good for Catholics.”
Billy Graham: American Pilgrim. Oxford University Press. 26. 6. 2017. ISBN9780190683528. Приступљено 21. 2. 2018. „Billy Graham stands among the most influential Christian leaders of the twentieth century.”