http://lists.racket-lang.org/users/archive/2005-August/009483.html
http://lists.racket-lang.org/users/archive/2005-November/010350.html
http://lists.racket-lang.org/users/archive/2006-June/013819.html
http://lists.racket-lang.org/users/archive/2006-December/015607.html
http://lists.racket-lang.org/users/archive/2007-February/016393.html
http://lists.racket-lang.org/users/archive/2008-January/022312.html
http://lists.racket-lang.org/users/archive/2008-March/023852.html
https://mercure.iro.umontreal.ca/pipermail/gambit-list/2008-June/002394.html
http://lists.racket-lang.org/users/archive/2008-September/027474.html
http://lists.racket-lang.org/dev/archive/2009-October/001381.html
http://lists.racket-lang.org/users/archive/2011-March/044693.html
We should find some more stable links, and some message ids.