ケイレブ・ベントリー
The Washington Post. http://www.washingtonpost.com/wp-dyn/content/article/2007/11/30/AR2007113000952_pf.html
↑ “The East Room”. White House Historical Association. 2007年11月2日閲覧。
1 2 Landphair, Ted (2007年8月15日). “You Won't Need Much Time to Tour This 'Capital'”. VOA News. http://www.voanews.com/english/archive/2007-08/2007-08-14-voa27.cfm?CFID=171645957&CFTOKEN=64046631
↑ “Brookeville: Gem from the Past”. Sandy Spring Museum. 2007年12月14日閲覧。
↑ Browning, Charles Henry (1895). “President Madison's Retreat”. The American Historical Register. Historical Register Pub. pp. 857–861. https://books.google.co.jp/books?id=e-0OAAAAYAAJ&redir_esc=y&hl=ja