Critical Essays on Kurt Vonnegut
Merrill, Robert, ed. Critical Essays on Kurt Vonnegut. Boston: G. K. Hall, 1990.
Anthology of twenty-four reviews and essays giving "an overview of Vonnegut criticism through . . . Galapagos in 1985" (and a bit beyond). Rev. Gary K. Wolfe, SFRA Review #194 (Jan./Feb. 1992): 45-46, quoted here and the source for this citation.