The KJV is the ONLY unpolluted Bible! You can overwhelmingly verify this fact for yourself within a handful of google links. Look into "Westcott and Hort". Let me know if you come across a better instructional video on this topic than what I have posted here. Thanks, KE
A couple good websites on the topic are:
http://www.1611kingjamesbible.com/
http://www.biblefortoday.org/