«The Greek translation of the essay "La Grèce en 1821 et 1822: Correspondance politique" by Konstantinos Oikonomou ex Oikonomou (1780-1847)», Proceedings of the International Scientific Conference "Ὑμεῖ γὰρ ἐπ᾽ ἐλευθερία ἐκλήθετε" (Gal. 5,13), 1821-2021, Theological School of Athens, November 4-7, 2021, Athens, 2023, pp. 387-394.
"Exercise of Freedom; monasteries and monks of western Helm (Vouraikos): from the beginning to the National Rebellion of 1821", Scientific Conference: "The Holy and Historical Monastery of Agia Lavra Kalavryton - Two Hundred Years since the Greek Revolution 1821-2021" - Proceedings of the Conference, Η.M. Agia Lavra, 29-30 May 2021, Kalavryta, 2023, pp. 111-122.
«Identity and Church in Epirus during the pre-revolutionary period», SingiLogos 3 (2023), 57-65.
"The Ecumenical Patriarch Grigorios V and his position on the educated personalities of his time", Peloponnisiaka 32 (2022), 813-824.
«Patriarhul Ecumenic şi Instituţia Sinodală Sfântul şi Marele Sinod din Creta (18-27 Iunie 2016) [Ο Οικουμενικός Πατριάρχης και ο Συνοδικός θεσμός μέχρι σήμερα], Nifon Mihăiță – Marian Vîlciu – Florea Ştefan – Ion Marian Croitoru, Misiune, Spiritualitate, Cultură, Πρακτικά του Simpozion International «Unitatea de Credință și de Neam în Contextul Unei Lumi Globalizate», Târgovişte, 29-30 Mai 2018, Târgovişte, 2019, σελ. 261-269. ["The Ecumenical Patriarch and the Synodal institution until today", Nifon Mihăiță – Marian Vîlciu – Florea Ştefan – Ion Marian Croitoru (ed.), Mission, Spirituality, Culture, proceedings of the International Symposium «Unity of Faith and Nation in the Context of a Globalized World», Târgovişte, May 29-30, 2018, Târgovişte, 2019, pp. 261-269.]
«Atene un’idea di porto, un’idea di città», Romina Giampaoli (εκδ.), Le Città Hanno Un’Anima; Identità e cambiamento nel Mediterraneo, Roma, 2017 (Giuliano Ladolfi Editore), σελ. 119-122. [«Atene un’idea di porto, un’idea di città», Romina Giampaoli (ed.), Le Città Hanno Un’Anima; Identità e cambiamento nel Mediterraneo, Roma, 2017 (Giuliano Ladolfi Editore), pp. 119-122.]
«Cuvântul celui între Sfinți patriarhul ecumenic Metodiu I (843-847) pentru sfintele icoane şi importanţa lui (Ο Λόγος του εν αγίοις οικουμενικού πατριάρχου Μεθοδίου Α´ (843-847) υπέρ των αγίων εικόνων και η σημασία του)», Nifon Mihăiță – Marian Vîlciu – Florea Ştefan, Misiune, Spiritualitate, Cultură, Πρακτικά του Simpozion International «Teologie, iconografie, mărturisite - rezistența Bisericii prin cultură şi spiritualitate», Târgovişte, 30-31 Mai 2017, Târgovişte, 2017, σελ. 70-77. ["The Speech of the holy ecumenical patriarch Methodius I (843-847) in favor of the holy icons and its significance", Nifon Mihăiță – Marian Vîlciu – Florea Ştefan – Ion Marian Croitoru (ed.), Mission, Spirituality, Culture, proceedings of the International Symposium "Theology, iconography, confessions - the resistance of the Church through culture and spirituality", Târgovişte, May 30-31, 2017, Târgovişte, 2017, p. 70-77.]
«Învățătura Sfinților Părinți Din Prima Jumătate A Secolului al IX–Lea Despre Iconomie Şi Aplicările El», Misiune, Spiritualitate, Cultură; Simpozion internaţional. Pocăinţă şi Euharistie, Mărturisire şi Martiriu. Familia Brâncovenilor şi sensul existenţei umane în lumea contemporană, 2 – 3 iunie, 2014, Târgovişte, 2014, σελ. 363-376. ["Teaching of the Holy Fathers From the First Half of the 9th Century About Iconology and Its Applications", Mission, Spirituality, Culture; International symposium. Repentance and Eucharist, Confession and Martyrdom. The Brâncoven family and the meaning of human existence in the contemporary world, June 2 - 3, 2014, Târgovişte, 2014, p. 363-376.]
"Elements of Byzantine History in the "Hymn to Freedom" of Dionysios Solomos", Eptacyclos 11 (September 1998 - January 1999), 178-184.
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About Athigans. Politics and religion in the Byzantine Empire, Athens, 2008, pp. 1-154.
The Question about the papal vicariate of Eastern Illyricum in the Athens Theological School at the beginning of the 20th century (Emilianos Piperkovits's doctoral thesis), Athens, 2003, pp. 1-92.
The Ecumenical Patriarch Methodios I the Confessor (843-847) and his work, Athens, 2003, pp. 1-567 (PhD).
The patriarchal institution in the Early Church. The Pentarchy of the Patriarchs. The presuppositions, the evolution and the function of the institution, Athens, 2003, pp. 1-161.
Suborbicariae (the Question of Suborbicariae at the Ancient Church), Athens, 2000, pp. 1-200.
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