[xm.bretton]

http://www.desiringgod.org/library/topics/...n/exodus21.html

http://www.errantskeptics.org/Exodus_21_22.htm

http://www.str.org/free/commentaries/abort...on/whatexod.htm

some are subjective but have a lot of facts to back points up, directly relating to translation from hebrew words. a quick read.