Michael William Doyle, “Staging the Revolution: Guerilla Theater as a Countercultural Practice 1965–68,” in Imagine Nation, ed. Peter Braunstein and Michael William Doyle (New York: Routledge, 2002), 71–97.

Bradford Martin, The Theatre Is in the Streets (Amherst: University of Massachusetts Press, 2004).

Nadya Zimmerman, “Consuming Nature: The Grateful Dead’s Performance of an Anti-Commercial Counterculture,” American Music 24, no. 2 (2006): 194–216, www.jstor.org/stable/25046013.

View clips from the PBS documentary The Summer of Love here.