These two books are by G. Roger Greene (1944-), the professor of Christian studies at Mississippi College, not Graham Greene (1904-1991), the English author, playwright and literary critic
The Ministry of Paul the Apostle: History and Redaction
A Theology of Paul the Apostle, Part Two: Cross and Atonement
bump in order to get an appropriate answer.
Bump again, to draw Logos's attention. Is there such a word as "rebump"? There ought to be! [:D]