Is it unreasonable to expect an old Gospel codex to have Bible references? Or am I simply looking at the only parts that failed to get tagged?
Cronin, H. S. Codex Purpureus Petropolitanus: The Text of Codex N of the Gospels Edited with an Introduction and an Appendix. Edited by H. S. Cronin and J. Armitage Robinson. No. 4. Vol. 5. Texts and Studies: Contributions to Biblical and Patristic Literature. Cambridge: Cambridge University Press, 1899.