MS Gr SM4367The main page of the Houghton Library papyri site is here. Fragment of the New Testament, the Homeric epics, other known and unknown literary texts, and documentary texts are included as well.
Gospel of Thomas, [ca. 200-ca. 250]
(Via Peter Head at Evangelical Textual Criticism. An earlier version of this post implied incorrectly that Peter hadn't mentioned this fragment. Apologies for the error.)