Apokrisis orthodoxou tinos pros tina adelphon orthodoxon peri tēs tōn katolikōn dynasteias kai peri tou tines hoi schistai kai hoi schismatikoi kai hoi eschismenoi kai peri tēs varvarikōn legomenēs ounias kai tōn ounitōn kai peri tou pōs dei tous orthodoxous apantan tois katolikois

Nikēphoros Theotokēs, Eugenios Boulgaris