Independence Hall (页面存档备份,存于互联网档案馆) (at "Independence Hall's History"). World Heritage Sites official webpage. World Heritage Committee. Retrieved 2010-03-16.
Congress Hall. Independence Hall Association. [2008-09-07]. (原始内容存档于2008-10-11).
web.archive.org
Independence Hall (页面存档备份,存于互联网档案馆) (at "Independence Hall's History"). World Heritage Sites official webpage. World Heritage Committee. Retrieved 2010-03-16.
Congress Hall. Independence Hall Association. [2008-09-07]. (原始内容存档于2008-10-11).