Joyce Oldham. TheRelentlessRevolution: A History of Capitalism (2010) excerpt and text search (页面存档备份,存于互联网档案馆) Beaudreau, Bernard C. The Economic Consequences
Samuel M. Katz, Relentless Pursuit: The DSS and the Manhunt for the Al-Qaeda Terrorists (Macmillan, 2002), p. 288. U.S. Foreign Police and the Third World:
Abraham: Lincoln's Relentless Struggle to End Slavery. Oxford University Press. 2006: 15. ISBN 978-0-19-518306-1. Stewart, David O. The Summer of 1787.