Other
Concordia Self Study Bible: Ruth
Briefly describes the genealogy from Ruth to David and where it is found in the Bible.
Other
Zion Friedheim Lutheran Church: Ruth, a Bible Study
This site provides an excellent overview of the entire book of Ruth including the main theme, characters, and religious significance.
Other
Tabernacle Baptist Church: Sunday School Lessons: The Book of Ruth [Pdf]
This unit breaks the book of Ruth down so it is easy to understand. It includes an outline of the book and a commentary on the verses.
Luther Seminary
Bible Tutor: Ruth
This site from The Bible Tutor provides a paragraph that describes the book of Ruth and gives links to similar sites. A picture is given along with the short text and additional information.