* 歴史

[3] [CITE@en[CSS3 Speech Module]]
( ([TIME[2011-04-20 05:59:14 +09:00]] 版))
<http://www.w3.org/TR/2011/WD-css3-speech-20110419/>

[1] [CITE@en[CSS Speech Module]]
( ([TIME[2011-08-18 00:56:21 +09:00]] 版))
<http://www.w3.org/TR/2011/WD-css3-speech-20110818/>

[2] [CITE@en[CSS Speech Module]]
( ([TIME[2012-03-20 09:18:31 +09:00]] 版))
<http://www.w3.org/TR/2012/CR-css3-speech-20120320/>

[6] [CITE@en[CSS Speech Module]]
( ([TIME[2013-08-03 00:34:47 +09:00]] 版))
<http://dev.w3.org/csswg/css-speech/#background>

[7] [CITE@en[''''''[''''''css-speech'''''']'''''' Splitting into Level 1 and Level 2]]
([[fantasai]] 著, [TIME[2015-06-27 21:34:52 +09:00]] 版)
<https://lists.w3.org/Archives/Public/www-style/2015Jun/0347.html>