Visual Symbolism, Collective Memory, and Social Protest: A Study of the 2009 London G20 Protest Tim F. Liao. 2010. Visual Symbolism, Collective Memory, and Social Protest: A Study of the 2009 London G20 Protest. Social Alternatives. 29(4):37-43.
Double exposure: memory and photography Olga Shevchenko. 2014. Double exposure: memory and photography.
