[1] [CITE@en[Web Applications 1.0 r5961 ]]
( ([TIME[2011-03-21 19:50:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=5960&to=5961>

[2] [CITE@en[HTML Speech Incubator Group Final Report]]
( ([TIME[2011-12-05 17:46:22 +09:00]] 版))
<http://www.w3.org/2005/Incubator/htmlspeech/XGR-htmlspeech-20111206/#dfn-src>

[3] [CITE@en[Deprecate mediagroup/MediaController? · Issue #192 · whatwg/html]]
([TIME[2015-10-01 23:18:37 +09:00]] 版)
<https://github.com/whatwg/html/issues/192>

[4] [CITE@en[Remove MediaController and media element's mediagroup attribute]]
( ([[annevk]]著, [TIME[2016-05-12 02:40:01 +09:00]]))
<https://github.com/whatwg/html/commit/634698e70ea4586d58c989fa7d2cbfcad20d33e6>