Maura Conway asked for the full citation of Snow and Trom. Here it is and I hope it is helpful. Snow David A. and Danny Trom. "The Case Study and the Study of Social Movements." In Methods of Social Movement Research, edited by Bert Klandermans and Suzanne Staggenborg. Minneapolis and London: University of Minnesota Press, 2002. Joseph W. Roberts, Ph.D., ABD Instructor of Political Science E-Mail: nospam.roberts000@earthlink.net