"Re-Engineering Why It So Often Fails"
This brief articles lists the most common barriers to the success of reengineering attempts, along with their estimated percentages developed by Hammer & Associates.
BPR Project Case - Insurance Company
Study of the major operational activities of a large insurance organization BPR efforts.
Reengineering Bibliography
http://www.archives.gov/research_room/alic/staff_resources/organizational_change_bibliography/proces
National Archives and Records Administration, The National Archives Library's recommended informational resources regarding Business Process Reengineering