[1] [CITE[ドラッグによるテキストの選択をキャンセルする【CSS, HTML, JavaScript】 - Programming Magic]]
( ([TIME[2010-12-26 18:53:25 +09:00]] 版))
<http://www.programming-magic.com/20071217225449/>

[2] [CITE[User Interface Enhancements]]
( ([TIME[1999-09-16 05:07:02 +09:00]] 版))
<http://www.w3.org/TR/1999/WD-css3-userint-19990916#user-select>

[3] [CITE@en[User Interface for CSS3]]
( ([TIME[2000-06-23 03:09:21 +09:00]] 版))
<http://www.w3.org/TR/2000/WD-css3-userint-20000216#user-select>

[4] [CITE@en[Specifying selectable text (Windows)]]
( ([TIME[2013-11-13 13:47:53 +09:00]] 版))
<http://msdn.microsoft.com/en-us/library/ie/hh708742(v=vs.85).aspx>

[5] [CITE[IRC logs: freenode / #whatwg / 20150601]]
([TIME[2015-06-02 13:50:24 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20150601>

[6] [CODE(CSS example)@en[-webkit-user-select: [[text]];]]

[7] [CODE(CSS example)@en[-webkit-user-select: [[ignore]]]]

[8] [CITE@en[Fixes #37. Add -webkit-user-select prefixed property alias. · whatwg/compat@49fb0fb]]
([TIME[2016-02-05 14:44:26 +09:00]] 版)
<https://github.com/whatwg/compat/commit/49fb0fb55c9c866df8d2b521b634009b21b03a22>

[9] [CITE@en[''''''[''''''css-ui-4'''''']'''''' -webkit-user-select]]
([[Florian Rivoal]] 著, [TIME[2016-02-06 14:28:09 +09:00]] 版)
<https://lists.w3.org/Archives/Public/www-style/2016Feb/0050.html>

[10] [CITE@en[''''''[''''''css-ui-4'''''']'''''' aliasing of -webkit-user-select · w3c/csswg-drafts@dfde9cf]]
([TIME[2016-04-04 10:57:33 +09:00]] 版)
<https://github.com/w3c/csswg-drafts/commit/dfde9cf322831e1bc0d1385e6df68057adc08ec6>

[11] [CITE@en[Fixes #49. Remove -webkit-user-select alias. · whatwg/compat@a1c9eed]]
([TIME[2016-04-05 14:07:40 +09:00]] 版)
<https://github.com/whatwg/compat/commit/a1c9eed977cfdda1830d79636d22bb9e9ab1eca4>

[12] [CITE@en['''['''css-ui''']''' Add note about excessive use of user-select:none]]
([[frivoal]]著, [TIME[2017-06-23 14:39:56 +09:00]])
<https://github.com/w3c/csswg-drafts/commit/016920866197fe3a8fd0e23ce9d062358fcae49b>