- Klinkowitz, Jerome (1998): Vonnegut in Fact. The public spokesman of personal fiction. Columbia: University of South Carolina Press
- Leeds, Marc (1995): The Vonnegut Encyclopedia. An Authorized Compendium. Westport, London: Greenwood Press
- Leeds, Marc; Reed, Peter J. (1996): The Vonnegut Chronicles. Interviews and Essays. Westport, London: Greenwood Press
- Petterson, Bo (1994): The World according to Kurt Vonnegut. Moral Paradox and Narrative Form. Åbo: Åbo University.
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