Mechon Mamre
Hebrew English Bible: Joel
The text of the Book of Joel, presented side-by-side in Hebrew and English.
Other
Ray Stedman: Adventuring Through the Bible
"Adventuring Through the Bible" is a comprehensive guide to the entire Bible with Bible commentary. This site is an excellent place to start if you are new to the Bible and/or have questions about evangelical Christianity.
Bible.org
Bible.org: Minor Prophets Joel
Bible.org offers a detailed discussion of the date and contents of the Book of Joel including several images.
New Advent
Catholic Encyclopedia: Joel
This site offers an in-depth look at the Prophet Joel according to the Catholic Church. Please note that ?The Catholic Encyclopedia? is a historic reference source and should be viewed in the context of resource material dated around 1910.
Other
Bible Basics: Joel
This site offers a brief coverage on Joel and his message in the Bible. Includes a link to hear a passage read.
Luther Seminary
Bible Tutor: Joel
The Bible Tutor briefly discusses Joel's message in the Bible. Cites a scripture passage.
Curated OER
Clip Art by Phillip Martin: Joel
A clipart illustration by Phillip Martin titled "Joel."