PlusFours and Diagnostics Pt 2

Adding it up

Here is a chart showing

Books of the Bible with more than one PlusFour:

CountBooks
23Matthew
16Psalms
10Genesis, Luke
  8Revelation
  7Job
  6Mark
  51 Corinthians
  42 Samuel
  31 Samuel, Isaiah, Ephesians, Hebrews
  2Exodus, Acts, Romans, 1 Peter

Biblical Chapers with more than 1 PlusFour:

Genesis 2; Genesis 3 [3 PlusFours];
2 Samuel 1; 1 Kings 2;
Psalm 18; Psalm 106;
Matthew 5 [4]; Matthew 7, Matthew 16 [3]; Matthew 18; Matthew 20; Matthew 23;
Luke 11; 1 Corinthians 15 [3];
Revelation 19; Revelation 20.

What of the six PlusFours marked in OxBib?

In what sense is an allusion to any of these verses "diagnostic" of Shakespeare?