Isaiah
- Article about the Biblical prophet from an 1897 Christian source.
- http://en.wikipedia.org/wiki/Isaiah

Jewish Virtual Library: Isaiah
- Detailed profile of the prophet, with links to pertinent Torah passages.
- http://www.jewishvirtuallibrary.org/jsource/biography/Isaiah.html

Prophecies of Isaiah
- Twenty-one of the prophet's predictions, with biblical links and discussion about their fulfillment from a Christian perspective.
- http://www.aboutbibleprophecy.com/isaiah.htm

LDS Scriptures: Isaiah
- The prophet's role in the Book of Mormon and importance to LDS thought.
- http://www.lightplanet.com/mormons/basic/bible/isaiah_eom.htm

The Isaiah Problem in the Book of Mormon
- A critical analysis of Isaiah's role in the LDS holy text.
- http://www.shields-research.org/Books/Sperry/Spry_Isa.html

The Ascension of Isaiah
- Discussion of this book of Jewish and Christian apocryphal texts about the life of the Biblical prophet.
- http://www.jewishencyclopedia.com/view.jsp?artid=263&letter=I

Jewish Encyclopedia: Isaiah
- Overview of the Hebrew prophet from the traditional Jewish perspective, including apocrypha and Talmudic commentary.
- http://www.jewishencyclopedia.com/view.jsp?artid=261&letter=I

Catholic Encyclopedia: Isaias
- Commentary on the Biblical prophet from the traditional Catholic perspective.
- http://www.newadvent.org/cathen/08179b.htm