book of job

I have a couple questions related to the dating of Job. The first is just generally, does anybody know any good papers that have convinced you one way or the other on this, because everything I read is all over the place? The second is that in looking through Study Bible introductions on this...

For those of you who have significant experience studying the Book of Job: I 'd like to know which commentaries have provided the most help to you. These could be either technical in nature or devotion (just let me know which they were stronger in). I appreciate any suggestions you may have.

http://www.puritanboard.com/f29/directory-afflicted-extracts-caryl-job-39141/ http://www.puritanboard.com/f29/joseph-caryls-exposition-job-21139/ http://www.puritanboard.com/f78/joseph-caryl-job-7980/ http://www.puritanboard.com/f78/practical-observations-job-jospeh-caryl-9810/...

From a lot of Biblical studies guys, I've been hearing that Job must have been written by two authors. They say that the poetic dialogs which makes up the bulk of the book are written in an ancient form of Hebrew, while the Introduction and the conclusion part of the book is a later form of...