(页面存档备份,存于互联网档案馆), Just Security "The Mueller Report Illustrated" (页面存档备份,存于互联网档案馆) (online version), a book and six-part digital series on the obstruction
ISBN 0-89296-376-X. Falk, Peter. Just one more thing. New York: Carroll & Graf. 2006: 138-140. ISBN 978-0786717958. Columbo - Series History. [2005-06-24]. (原始内容存档于2004-01-19)