[1] [CITE[How to use <meta name="distribution" content="option"> the meaning of the meta name distribution | meta tags search engine promotion]]
( ([[the Metatags Company Inc. - seo services]] 著, [TIME[2012-01-21 15:17:54 +09:00]] 版))
<http://www.metatags.org/meta_name_distribution>

[2] [CITE[WWW-Talk Apr-Jun 1994: <meta information>]]
([TIME[2015-01-25 12:53:55 +09:00]] 版)
<http://1997.webhistory.org/www.lists/www-talk.1994q2/0744.html>