Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Pope Leo I:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

Leo firmly declined to confirm their disciplinary arrangements, which seemed to allow Constantinople a practically equal authority with Rome and regarded the civil importance of a city as a determining factor in its ecclesiastical position; but he strongly supported its dogmatic decrees, especially when, after the accession of Emperor Leo I (457), there seemed to be a disposition toward compromise with the Eutychians.[citation needed]