March 2016]. (原始内容存档于2016-04-07). White: English, Welsh, Scottish, Northern Irish, British 93.70%; White: OtherWhite 3.90%; Asian / Asian British 0.80%;
(原始内容存档于2015-09-24). Woolley, John T.; Peters, Gerhard. Digest of OtherWhite House Announcements, September 11. The American Presidency Project. University