• Wordnet: An Electronic Lexical Database, (ed) Fellbaum, Christiane, A Bradford Book, 500p, 1998.
  ISBN 0-262-06197-X, $50.00 FELWH http://mitpress.mit.edu
• WordNet 1.6 CD-ROM, ISBN 0.262-56116-6, $25.00 FELWP http://mitpress.mit.edu