Theory of Change: http://p-shift.care2share.wikispaces.net/Theory+of+Change+Guidance
Change Theory by Mel Sharpe http://www.instituteforpr.org/essential_knowledge/detail/change_theory/
Comparison of Change Theories: http://nationalforum.com/Electronic%20Journal%20Volumes%5CKritsonis,%20Alicia%20Comparison%20of%20Change%20Theories.pdf
Change Management: http://www.teamtechnology.co.uk/changemanagement.html
Organizational Change Resources: http://www.entarga.com/orgchange/resources.htm