Bill Kearney

MIME type info

http://www.iana.org/assignments/urn-namespaces
http://www.iana.org/assignments/access-types
http://www.isi.edu/in-notes/iana/assignments/media-types/
http://www.isi.edu/in-notes/iana/assignments/media-types/media-types

A wealth of "let's not go reinventing things" resources...