Williams, Kieran, 'Civil Resistance in Czechoslovakia: From Soviet Invasion to "Velvet Revolution", 1968–89', in Adam Roberts and Timothy Garton Ash (eds.), 'Civil Resistance and Power Politics: The Experience of Non-violent Action from Gandhi to the Present' (Oxford and New York: Oxford University Press, 2009), pp. 110–26. ISBN978-0-19-955201-6.
Windsor, Philip, and Adam Roberts, Czechoslovakia 1968: Reform, Repression and Resistance (London: Chatto & Windus, and New York: Columbia University Press, 1969), 200 pp.