Good article. You mention it briefly in the end but I think exploring which side of the waist that swords were carried could reinforce your theory. Roman legionnaires carried their swords on the right, officer classes, from centurion on up, on the left. Celts were carried on the right, Greek on the left.
Also, Ken Doll comment, while funny, might not be understood by all who read it.
Also, Ken Doll comment, while funny, might not be understood by all who read it.