Hezekiah in Chronicles and Kings - A textual comparison of material about the Judaean king in two Biblical books. - http://fontes.lstc.edu/~rklein/Documents/hezekiah.htm
King Hezekiah (late 8th-early 7th century BCE) - From "The Jerusalem Mosaic" created by The Hebrew University of Jerusalem. Includes historical facts, Bible references, and some archaeological photos of structures he had built. - http://jeru.huji.ac.il/eb34s.htm
Jewish Virtual Library: Hezekiah - Profile of the Judaean king, with links to pertinent Torah passages. - http://www.jewishvirtuallibrary.org/jsource/biography/Hezekiah.html
The Life and Times of Hezekiah - A Christian analysis of the Biblical king and his importance to the history of Israel. - http://www.robibrad.demon.co.uk/hezekiah.htm
Catholic Encyclopedia: Ezechias - Commentary on the Biblical king from the traditional Catholic perspective. - http://www.newadvent.org/cathen/05737a.htm
Hezekiah - Profile of the King of Judah from a joint Lutheran and Catholic bible study project. - http://www.aboutbibleprophecy.com/p82.htm
Jewish Encyclopedia: Hezekiah - Overview of the king of Judah from the traditional Jewish perspective, including rabbinic commentary. - http://www.jewishencyclopedia.com/view.jsp?artid=700&letter=H