...免权的拦路抢劫犯占很高的比例，对公共秩序有特别的危害，他们在后来的某个时间内仍然会重蹈覆辙”，见约翰·贝拉米(John Bellamy)《英国中世纪晚期的犯罪与公共秩序》(Crime and Public Order in Engard in the Later Middle Ages,London,1973，P.154.
abstract:John Bellamy is a British sport shooter residing near Preston, Lancashire, noted for his consistent achievements in shooting competitions and for his similar shooting style to that of John Stafford.http://www.