The Prophetess Hulda: Her Message of Hope - Essay on the female prophet's particular compassion and her importance to Judaism today. - http://www.torah.org/learning/women/class51.html
Huldah - Passages about the prophetess from the King James version of the Bible. - http://www.topical-bible-studies.org/48-0010.htm
Jewish Encyclopedia: Huldah - Overview of the prophetess from the traditional Jewish perspective, including rabbinic commentary. - http://www.jewishencyclopedia.com/view.jsp?artid=955&letter=H