• [1] Nonstandard HTTP Headers http://web.archive.org/web/20020610043404/http://www.dais.is.tohoku.ac.jp/~kabe/WWW/nonstdhdr.html#UA-color

[2] draft-mutz-http-attributes-00 (2007-02-22 10:19:25 +09:00 版) http://tools.ietf.org/html/draft-mutz-http-attributes-00 (名無しさん)

[3] draft-mutz-http-attributes-00 - User-Agent Display Attributes (2014-10-12 17:03:29 +09:00 版) https://tools.ietf.org/html/draft-mutz-http-attributes-00

[4] RFC 4229 - HTTP Header Field Registrations (2014-11-02 18:53:20 +09:00 版) http://tools.ietf.org/html/rfc4229#section-2.2.12