I don't know, but I'm pretty sure that Metzger's commentary on the UBS4 text is still in copyright, but that doesn't stop Muslim pirates from posting it here without a licence:
http://www.eld3wah.net/tc/tc-gnt/index.htm
http://www.eld3wah.net/play.php?catsmktba=4264#
More Muslim Piracy: giving away Metzger's Commentary
Discussion in 'Other Christian Denominations' started by Nazaroo, Aug 4, 2011.