Full text of Sumner's speech at the Wayback Machine (archived December 26, 2002) Brooks's response, after the beating An account of the incident, the participants and the aftermath Preston Smith Brooks at Find a Grave Jefferson Society Notes
2010년 5월 20일에 확인함.  (영어) 프레스턴 브룩스 - 미국 의회 인명 사전 Full text of Sumner's speech Brooks' response, after the beating An account of the incident, the participants and the aftermath "Preston Smith Brooks" at Find A Grave Jefferson Society Notes