by David A. Snow (Editor), Donatella Della Porta (Editor), Bert Klandermans (Editor), Doug McAdam (Editor)
February 2013, Hardcover
by David A. Snow (Editor), Sarah A. Soule (Editor), Hanspeter Kriesi (Editor)
by Carmen de Jong (Editor), David N. Collins (Editor), Roberto Ranzi (Editor)
by David Suzuki
August 1991, Paperback
by David A. Snow (Editor), Sarah A. Soule (Editor), Hanspeter Kriesi (Editor)