Novels:
Player Piano (Utopia-14)
The Sirens of Titan
Mother Night
Cat's Cradle
God Bless You, Mr. Rosewater
Slaughterhouse-Five
Breakfast of Champions
Slapstick
Jailbird
Deadeye Dick
Galapagos
Bluebeard
Hocus Pocus
Timequake

Short Fiction and Essay Collections:
Canary in a Cat House
Welcome to the Monkey House
Wampeters, Foma and Granfalloons
Palm Sunday
Fates Worse than Death
Bagombo Snuff Box

Scripts and Screenplays:
Happy Birthday, Wanda June
Between Time and Timbuktu; or Prometheus-5

Literary Criticism of Vonnegut:
Sanity Plea: Schizophrenia in the Novels of Kurt Vonnegut by Lawrence R. Broer
The Vonnegut Statement by Jerome Klinkowitz and John Somer
Kurt Vonnegut by James Lundquist
Vonnegut in America edited by Jerome Klinkowitz and Donald L. Lawler
The Short Fiction of Kurt Vonnegut by Peter J. Reed
The Vonnegut Chronicles: Interviews and Essays edited by Peter J. Reed and Marc Leeds
The Vonnegut Encyclopedia: An Authorized Compendium edited by Marc Leeds
Conversations with Kurt Vonnegut edited by William Rodney Allen

Study Guides:
Cliff's Notes on Vonnegut's Major Works by Thomas R. Holland
Cliff's Notes on Vonnegut's Slaughterhouse-Five edited by Gary Carey et al
MAXnotes for Slaughterhouse-Five

Other Sites:
Vonnegut Web