The twenty-one NT letters are grouped together between the Gospels and Acts, which stand at the head of the NT canon, and the book of Revelation, which concludes it. Traditionally, the first fourteen (Romans through Hebrews) have been identified as constituting the “Pauline corpus” of letters (see below, 7, 10), although the status of Hebrews within this group was already regarded as problematic in the early church because it does not bear Paul’s (or anyone’s) name as its