ArtofLean.com with its substantive content both historical and up-to-date is a great place to go to verify the consistency of your lean activities with the original source.

 

This is one of the most dynamic websites for lean practitioners I have ever seen. This site is loaded with first had information accumulated and presented by one of the leading experts on the Toyota Production System in the U.S.

 

A great resource and highly valuable for anyone interested in applying Toyota Production System / Lean Transformation principles.