Ekklēsiastika ē ekklēsiastikon deltion : periechon tēn apo tēs paraitēseōs tou prōēn Kōnstantinoupoleōs Patriarchou k. Sōphroniou kai ephexēs istorian tou Patriarchikou Oikoumenikou tēs Kōnstantinoupoleōs thonou - Kalliphron, V. D.