Cain and Abel - Biblical biography of the rivalrous siblings. Catholic Encyclopedia: Cain - Commentary on the Biblical killer from the traditional Catholic perspective. Comparative Index to Islam: Cain and Abel - Discusses Islamic beliefs about the two brothers, including the folk tradition that they fought over women. Jewish Encyclopedia: Cain - Overview of the first murderer from the traditional Jewish perspective, including apocrypha and Talmudic commentary. Cain - Profile of the wicked son of Adam from a joint Lutheran and Catholic bible study project. Jewish Virtual Library: Cain - Brief profile of the Biblical killer, with links to pertinent Torah passages. Can and Abel - Wikipedia - Overview of the first murder with outline of the story, depictions over history and references.