Systems thinking for curious managers by Russell Ackoff: The key authors & references
Peter Senge (Fifth Discipline)
Russell Ackoff
John Seddon (UK) (link)
Professor Fred Collopy (link) Probably most useful for its link to Fast Company column
Integral Leadership Review (???)
International Society for System Sciences (link)
Decision Sciences Journal of Innovation Education (Facilitating Systems Thinking in Business Classes)
Enterprise Thinking Network ( in2in.org ) (link)
THWINK (link)
Bill Bellows
Jack Harich
Sheldon Rovin
An Ecology of Mind a Film about Gregory Bateson (link)
Ackoff Center Blogs (link)
Transforming the Systems Movement (UPenn Conference Paper)
systemsthinking.co.uk
http://www.thinking.net/systems_thinking/systems_thinking.html
http://www.systemsthinkingreview.co.uk
http://www.systems-thinking.org/intst/int.htm
http://www.systems-thinking.de
http://www.hainecentere.com/systems-thinking
http://www.triarchypress.com
See also: page 83 for a 2 pages list, including books & the list of 7 websites above.
