^Hazel V. Carby (2009). Race Men. Harvard University Press. p. 135. ISBN0674029194.
^"Many times now Kaprow's piece (today we would call it 'performance art') has been cited by art historians as the (equally arbitrary) transition between the modern and the postmodern in cultural developments" (Delany, Samuel R. (1988), The Motion of Light in Water (1st ed. ed.), New York: Arbor House, p. 110, ISBN0877959471CS1 maint: Extra text (link)).