• Why is slavery permitted in the Bible? (CARM)
• Slavery in the Bible (All About Worldview)
• Does the Bible condone slavery?
[also MP3] (Got Questions)
• Does the Bible Condone Slavery? (RZIM)
• What God says about slavery (PleaseConvinceMe)
• Some Initial Reflections on Slavery in the New Testament (Daniel Wallace)
• Slavery in Bible Times (PDF)
• The Bible, God, Genocide, Slavery, Misogyny, and Other Strange Stuff (Paul Copan)
Check it out.