These pronouns were formerly all capitalized as a mark of respect to God whenever there was any mention of him, even indirect.

The tendency is more and more to eliminate them except in the second person (direct address).

In view of the change now going on it is best to follow copy if the author appears to have decided preferences.
4.

Books, divisions, and versions of the Bible.
_Book of Job_, _Twenty-third Psalm_, _New Testament_, _Revised Version_.
5.

General biblical terms and titles of parables.
_The Law_, _The Prophets_, _Major and Minor Prophets_ (referring to the collections of prophetic books), _Lord's Prayer_, _Lord's Supper_, _Parable of the Prodigal Son_, _the Beatitudes_, _the Priestly Code_ and many other such terms.
Use lower-case for _biblical_ and _scriptural_.
6.