List of currently indexed sites:

bitworking.org/projects/URI-Templates/
cpan.uwinnipeg.ca/htdocs/REST-Application/
doc.opengarden.org/Dream
duncan-cragg.org/blog/post/getting-data-rest-dialogues/
en.wikipedia.org/wiki/Representational_State_Transfer
gomba.sourceforge.net
lists.w3.org/Archives/Public/ietf-http-wg/
lists.w3.org/Archives/Public/uri/
lists.w3.org/Archives/Public/www-tag/
microformats.org/wiki/rest/
naeblis.cx/articles/2004/12/12/rest-to-my-wife
opikanoba.org/tr/fielding/rest/
opikanoba.org/tr/w3c/webarch/
phprestsql.sourceforge.net
restlet.tigris.org
rest-art.sourceforge.net
rest.blueoxen.net
roy.gbiv.com/pubs/dissertation/
roy.gbiv.com/untangled/
sqlrest.sourceforge.net
tech.groups.yahoo.com/group/rest-discuss/*
tonic.sourceforge.net
wadl.dev.java.net
wanderingbarque.com/nonintersecting/2006/11/15/the-s-stands-for-simple/
www.1060.org
www.acsinet-solutions.com/en/cetia4
www.berenddeboer.net/rest/
www.b-simple.de/documents/download/5
www.crummy.com/writing/REST-Web-Services/
www.iana.org/assignments/media-types/
www.innoq.com/blog/st/*rest*
www.markbaker.ca/blog/
www.mnot.net/cache_docs/
www.opengarden.org/dream
www.opengarden.org/forums/dream
www.peej.co.uk/articles/*rest*
www.prescod.net/rest/
www.restlet.org
www.thoughtpad.net/who/alan-dean/image/http-headers-status/
www.w3.org/Protocols/rfc2616/ (HTTP 1.1 specs)
www.w3.org/2001/tag/webarch/
www.webdav.org/specs/rfc2518.html (WebDAV specs)
www.xfront.com/*REST*
*.xml.com/pub/a/*rest*