[1] CSSOM Values Module ( (2012-03-21 08:56:43 +09:00 版)) <http://dvcs.w3.org/hg/csswg/raw-file/tip/cssom-values/Overview.html>

[2] cssom-values: Summary ( (2013-05-26 02:12:42 +09:00 版)) <https://dvcs.w3.org/hg/cssom-values/>

[3] CSSOM Values Module ( (2013-05-24 13:44:30 +09:00 版)) <http://dev.w3.org/csswg/cssom-values/>

[4] IRC logs: freenode / #whatwg / 20130809 ( (2013-08-11 19:46:34 +09:00 版)) <http://krijnhoetmer.nl/irc-logs/whatwg/20130809>

[5] IRC logs: freenode / #whatwg / 20140124 ( (2014-01-26 11:20:31 +09:00 版)) <http://krijnhoetmer.nl/irc-logs/whatwg/20140124>

[6] IRC logs: freenode / #whatwg / 20140529 ( (2014-05-31 12:20:02 +09:00 版)) <http://krijnhoetmer.nl/irc-logs/whatwg/20140529#l-679>

[7] removing cssom-values per wg resolution, redirected to https://drafts… · w3c/csswg-drafts@a58517f (2015-10-28 11:08:17 +09:00 版) <https://github.com/w3c/csswg-drafts/commit/a58517fe13692cc1e1a4311adcfa9e2ed2930d37>