SFcrowsnest: Cryptonomicon - Review by Tomas Martin of this novel set partly in the 1930s and partly in the near future. - http://www.sfcrowsnest.com/sfnews2/03_oct/review1003_1.shtml
Yamamoto and the Secret Admirers - Introductory guide to both cryptography and the works of Neal Stephenson. - http://www.electricinca.com/56/
Complete Review: Cryptonomicon - General information, review of, and links to other reviews of "Cryptonomicon." - http://www.complete-review.com/reviews/stephenn/crypto.htm
Problems with Bruce Schneier's Solitaire - Describes some problems with the playing card encryption algorithm, includes an implementation in C. - http://www.ciphergoth.org/crypto/solitaire/
Cryptonomicon - Author profile, excerpt, how to order, and chat transcript. - http://www.cryptonomicon.com/
The Solitaire Encryption Algorithm - Explanation and source code for the crypto system used in Cryptonomicon. - http://www.counterpane.com/solitaire.html