[1] CSS Basic User Interface Module Level 3 (CSS3 UI) ( ( 版)) <http://www.w3.org/TR/2015/WD-css3-ui-20150224/>
[2] CSS Basic User Interface Module Level 3 (CSS3 UI) ( ( 版)) <http://www.w3.org/TR/2015/WD-css3-ui-20150310/>
[3] CSS Basic User Interface Module Level 3 (CSS3 UI) ( ( 版)) <http://www.w3.org/TR/2015/WD-css3-ui-20150409/>
[4] CSS Basic User Interface Module Level 3 (CSS3 UI) ( ( 版)) <http://www.w3.org/TR/2015/WD-css3-ui-20150519/>
[5] CSS Basic User Interface Module Level 3 (CSS3 UI) ( ( 版)) <http://www.w3.org/TR/2015/CR-css-ui-3-20150707/>
[6] [CSSWG][css-ui-3] Second CR of CSS Basic User Interface Module Level 3 (Tantek Çelik 著, 版) <https://lists.w3.org/Archives/Public/www-style/2015Jul/0096.html>
[7] CSS Basic User Interface Module Level 4 ( 版) <http://www.w3.org/TR/2015/WD-css-ui-4-20150922/>
[8] [css-ui-3] Publishing a new CR (Florian Rivoal著, ) <https://lists.w3.org/Archives/Public/www-style/2017Jan/0074.html>
[9] [CSSWG][css-ui-3] CR of CSS Basic User Interface Level 3 (Florian Rivoal著, ) <https://lists.w3.org/Archives/Public/www-style/2017Mar/0002.html>
[10] [CSSWG][css-ui-3] PR of CSS Basic User Interface Module Level 3 (Florian Rivoal著, ) <https://lists.w3.org/Archives/Public/www-style/2017Dec/0021.html>
[11] CSS Basic User Interface Module Level 3 (CSS3 UI) () <https://www.w3.org/TR/2017/PR-css-ui-3-20171214/>
[12] CSS Basic User Interface Module Level 4 () <https://www.w3.org/TR/2017/WD-css-ui-4-20171222/>
[13] [CSSWG][css-ui-4] Updated WD of CSS UI Level 4 (Florian Rivoal著, ) <https://lists.w3.org/Archives/Public/www-style/2017Dec/0059.html>
[14] CSS Basic User Interface Module Level 3 (CSS3 UI) () <https://www.w3.org/TR/2017/PR-css-ui-3-20171214/>
[15] [csswg][css-ui-3] CSS Basic User Interface Module Level 3 reaches Recommendation (Florian Rivoal著, ) <https://lists.w3.org/Archives/Public/www-style/2018Jun/0025.html>