Albert Einstein Institution, East Boston, Massachusetts. (Especially strong on the writings of Gene Sharp and others working with the Einstein Institution.)
civilresistance. (Managed by Howard Clark. Contains updated web version of People Power and Protest since 1945: A Bibliography on Non-violent Action.)
CNRG - Coventry Nonviolence Research Group, at Coventry University, UK.
ICNC - International Center on Nonviolent Conflict, Washington DC.
ICNC’s Online Platform for the Study & Teaching of Civil Resistance, Washington DC. (Those interested in accessing ICNC e-classroom resources should contact ICNC staff at firstname.lastname@example.org to request login/password.)
Open Democracy, London. (Contains some articles specifically on civil resistance.)
Wikipedia entry on ‘Civil Resistance’. (Contains links to other articles including on ongoing cases.)