In one place, c.

liii, there is a remarkable coincidence with Barnabas ([Greek: Mousae Mousae katabaethi to tachos k.t.l.]; compare Barn.cc.iv and xiv).

In the Epistle of Barnabas itself there is a combined quotation from Gen.xv.

6, xvii.

5, which has evidently and certainly been affected by Rom.
iv.11.On the whole we may lean somewhat decidedly to the hypothesis of a mutual study of each other by the Christian writers, though the other hypothesis of the existence of different versions (whether oral and traditional or in any shape written) cannot be excluded.