Clement of Rome

“ They point to a stage of ecclesiastical development which belongs to a much later period than that of Clement.
3. The use of Scripture in these letters seems to be conclusive against the Clementine authorship. A comparison with the citations in the genuine Epistle of Clement shows that these writings make much greater use of the Pauline (particularly the Pastoral) Epistles; that the Old Testament is less frequently cited, and that the mode of handling proof-texts is that of a later age.
4. The judgment of the most candid patristic scholars is against the genuineness. ”

“ Uhlhorn, in view of the reference to the sub-introductæ, thinks they were written shortly before the time of Cyprian; [2] and this seems very probable. Jerome was acquainted with the writings (Ad Jovinum, i. 12) , and possibly Epiphanius (Hær., xxx. 15) . Hence we may safely allow an early date. ”