notably in the larger relationship of Acts with Epistles, not in the narrow sense of harmonization, but in considering whether the different strands together contribute to the enlargement of a broadly consistent picture. If this is found to be a fruitful approach, this factor tells in favour of historicity, broadly conceived; if conversely the narrative is not historical, we should expect a lack of patterned correlation and illumination from the approach. But it remains difficult to reverse the latter