There are several James tied to the New Testament narratives.
The beginning of James,_brother_of_Jesus (Wikipedia) is a start.
- "James (Hebrew: יעקב Ya'akov; Greek Ἰάκωβος Iákōbos, also could be anglicized as Jacob), who died in martyrdom in 62 or 69 AD, was an important figure of the Apostolic Age. His usual epithets are James, the Lord's brother and James the Just. It is agreed by most that he should not be confused with either James, son of Zebedee, or – as it sometimes happens – with James, son of Alphaeus."
- a James the Less (starting, seemingly, with a list of all the James); and
a St James the Great/er,
but not a James the Just (doesn't come up on a search).
In the Catholic Encyclopedia -
Note Origen, Against Celsus 1.47.The identity of 'James', Jude and Simon
'James' is without doubt the Bishop of Jerusalem (Acts 12:17, 15:13, 21:18; Galatians 1:19; 2:9-12) and the author of the first Catholic Epistle. His identity with James the Less (Mark 15:40) and the Apostle James, the son of Alpheus (Matthew 10:3; Mark 3:18), although contested by many Protestant critics, may also be considered as certain. There is no reasonable doubt that in Galatians 1:19: "But other of the apostles [besides Cephas] I saw none, saving James the brother of the Lord", St. Paul represents James as a member of the Apostolic college.
http://www.newadvent.org/cathen/02767a.htm
I'll leave it there, for a start.... Paul, a genuine disciple of Jesus, says that he regarded this James as a brother of the Lord, not so much on account of their relationship by blood, or of their being brought up together, as because of his virtue and doctrine.