Boston: Samuel Walker & Company, 1876. Artists: F. O. C. Darley, Wm. L. Shepard, Granville Perkins, etc. University of Virginia: Salem Witch Trials Documentary
com. 2016-04-12 [2016-04-13]. (原始内容存档于2021-10-28). Kroll, Justin. Dax Shepard to Co-Direct ‘Scooby-Doo’ Animated Film With Tony Cervone. Variety. 2016-09-09
International Conference on Intelligence Analysis". McLean, Virginia, May 2005. BlakeShepard et al.(2005). "A Knowledge-Based Approach to Network Security: Applying
釁為主的信件給媒體,並在其中署名。信件中包含了四道密碼或經過加密的內容,其中「Z340」也就是第2道密碼目前已被澳洲數學家萨姆·布莱克(Sam Blake),比利時程式設計師亚尔·范艾克(Jarl Van Eycke)及美國軟體開發人戴维·奥兰查克(David Oranchak)於2020年12月破解,見影片Let's