To zētēma tēs henōseōs tōn dyo Ekklēsiōn
By: [hypo] Kōnstantinou Kavarnou. Prologos kai eikones hypo Phōtiou N. Kontoglou
Publisher: Ekdoseis "Panellēniou Orthodoxou Henōseōs" (P.O.E.)
Published: 1964
Place of publication: Athēnai
Language: gre
Number of pages: 30