Bruce M. Metzger, Bart D. Ehrman: The Text of the New Testament. Its Transmission, Corruption, and Restoration. Oxford University Press, New York/Oxford 2005, S. 70. (Online)
Bart L. F. Kamphuis: Codex Ephraemi Rescriptus: An Underestimated Uncial, Leiden 2018, S. 245 f., vgl. Brooke Foss Westcott, Fenton John Anthony Hort: The New Testament in the original Greek, Introduction. 2. Auflage. Macmillan, London/New York 1896, S. 171. (Online)
digitale-sammlungen.de
Friedrich Adolf Ebert: Zur Handschriftenkunde. Band 1. Steinacker & Hartknoch, Leipzig 1825, S. 230 f. (Digitalisat)