American Productivity & Quality Center (APQC) - Free access to articles, case studies & white papers on the topics of benchmarking, knowledge management, organizational effectiveness etc. Some information requires membership - the LRC does not have memebership in this institution.
Grout's Poka-Yoke Page (John R. Grout) - "...an approach to quality management that relies heavily on the use of poka-yoke... devices. Poka-yoke is Japanese for mistake-proofing."