Online Resources on Systemic Complexity
Santa Fe Institute's Complexity Explorer
for information and courses on complexity.
Lazlo Barabasi has an online book that he is developing called
Network Science
which discusses how networks are the heart of complexity.
The origins of systems thinking can of course be traced back to Ludwig Bertalanffy. This
Bertalanffy Center for System Science
continues his legacy.
More recently and closer to IS, Churchman's (1968)
The Systems Approach
and Checkland's
(1981) Systems Thinking
laid the foundations for systems in IS
Complex Systems Society
International Institute for Applied Systems Analysis
Northwestern University's Institute of Complexity Science
Complex Systems Institute UNC Charlotte