Included in this book are the teachings and statements of the following exorcists, listed here in order of the frequency of their appearance in the book. Their appearance in the book is not to be understood as an endorsement of the book. These exorcists were sources used by the author in creating Slaying Dragons:
+ Fr. Chad Ripperger, priest and exorcist of the Archdiocese of Denver, Colorado, and founder of the Doloran Fathers. His apostolate also includes the organization Sensus Traditionis, where many of his conferences may also be found.
+ Fr. Gabriele Amorth, renowned Italian exorcist and founder of the International Association of Exorcists.
+ Fr. Jose Antonio Fortea, priest and exorcist of the Diocese of Alcala de Henares (Madrid), Spain.
+ Fr. Gary Thomas, priest of the Diocese of San Jose, California and exorcist whose training in Rome was the subject of the book, The Rite: The Making of a Modern Exorcist by Matt Baglio.
+ Fr. Jeffrey Grob, priest and exorcist of the Archdiocese of Chicago.
Additional exorcists referenced:
+ Fr. Piero Catalano, disciple of Fr. Amorth, and priest and exorcist of the Diocese of Reggio Calabria, Italy.
+ Fr. Paolo Carlin, priest and exorcist of the Diocese of Faenza-Modigliana, Italy.
+ Fr. Randall Weber, priest and exorcist of the Diocese of Salina, Kansas.
+ Fr. Cesare Truqui, priest and exorcist of the Diocese of Chur, Switzerland.
+ Msgr. John Esseff, priest and exorcist of the Diocese of Scranton, Pennsylvania, and founder of the Pope Leo XIII Institute.
Those who work in deliverance ministry:
+ Fr. Carlos Martins, priest of the Companions of the Cross and organizer of Treasures of the Church.
+ Adam Blai, layman, Peritus of religious demonology and exorcism for the Diocese of Pittsburgh, Pennsylvania.