Vallindras Nicodemus:  Issues of Ecclesiastic Deontology, Athens 1968.

Yannaras Christos:  Truth and Unity of the Church, Athens 1977.

Gregoriou P.:  Relations between Catholics and Orthodox, Athens 1958.

Gregoriou P.:  Course towards the union, Athens 1978.

Diamantopoulou Ad.: The Synod of Florence and the Latin Unia in the East, Athens 1927.

«ΖOE» (Brotherhood):  The nostalgia of Orthodoxy, Athens 1956.

Ifantis Ρ, - Karidis Sp.: Le origini dell' unitismo, Ο Odigos, 10 (1991), pages 2-7.

Kalogirou John:  The 2nd Vatican General oman-Catholic Synod and its Ecumenical endeavour according to the Orthodox view, Thessaloniki 1965.

Kantiotes fr.Augustine: A religious deception - the Uniates. Athens 1965.

Affirmative and Symbolic monuments of the Orthodox Catholic Church, Athens 1960. Vol. II, Graz 1968

Koltsaras John: Unia, Athens 1966.

Kontoglou Fotis:  What is Orthodoxy and what is Papism, 2nd edition, Athens 1964.           

Laiou-Thomadaki Angeliki: The conflict between the Popes and the Emperors and the views of the Byzantines, Thesaurus 15 (1978), pages 106-118. 

Bilalis Spyros: Orthodoxy and Papism, Athens 1969. 

Ninikas Solon:  How the Roman Catholics perceive the union of the "Churches", Athens 1966.        

Papadopoulou Chrys.: Nature and character of Unia, Athens 1928 (re-printed from the periodical "Anaplasis").    

Papadopoulou Chrys.: The Primacy of the bishop of Rome, Athens 1930.       

Papadopoulou Chrys.: The fallacies of Papism, Uniatism and Protestantism, 3rd edition, Athens 1964.

Romanides fr.John: Franks, Romans, Feudalism and doctrine. An interplay between Theology and Society (1981).

Romanides fr.John: Romanity, Romania, Roumeli. Pournaras Publications, Thessaloniki 1975.

Romanides fr.John: Saints Cyril and Methodios, Hellene representatives of Latins to Slavs, against Franks («Gregory Palamas» 1971, pages 273-281).

Romanides fr.John: The Filioque (Anglican Orthodox Joint Doctrinal discussions, St. Albans 1975, Μοscow 1976).

Romanides fr.John: Le Filioque, in the Volume: Saint Augustin, "L' âge d' homme" publications, Paris 1988.

Romanides fr.John: Ecclesiastic Synods, in the magazine «Ecclesia» vol. (1991) p. 603 etc

Stephanidou Vasiliki: Ecclesiastic History, Athens 1958.

Trembelas Panagiotis: Chrysostomos Papadopoulos as Archbishop, (reprint from the magazine "Ecclesia", Athens 1968).

Chalavazis George:  How the unification problem is posed, Athens 1953.

Hieromoine Pierre: L' union de Γ Orient avec Rome, Une controverse récente. Correspondance échangée entre SB. Monseigneur Chrysostome Papadopoulos, Archevêque Orthodoxe d' Athènes et de toute la Grèce, et Monseigneur Georges Calavassy, Evèque Catholique des Grecs de rite byzantin, a Constantinople et en Grèce, Introduction et traduction, Orientalia Christiana, Vol. XVIII 1., Roma 1930.

Metropolitan Christodoulos: Unia, the Trojan Horse of Papism, Newspaper "TO BEMA", 9.2.1992.

Feidas Vlassios: Ecclesiastic History, II, Athens 1977.

Feidas Vlassios: The perceptions of the blessed Photios regarding the Western "Church" (Magazine "Ecclesia", 1977).

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