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Recent developments in the study of Ecology with reference to England, London 1991.
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Spiritual fatherhood according to St. John Chrysostom’ s homilies on penance in the light of Psychology of Depth, Durham 1994 (MA).
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The Christmas present of peace [www.Chalkida.hol.gr, 24/12/1996].
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Heresy and Psychopathology [www.Chalkida.hol.gr, 22/5/1997].
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Christianity in sight of the 3rd Millennium, Chalkida 1999 (3rd Prize).
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The Chrysostomic Ethos, Thessalonica 2001.
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The human Soul according St. John Chrysostom (Dissertation), Athens 1999.
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Psychology of Religion – contemporary tendencies, Athens 2002.
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Fear and terror in the Theology of Three Hierarchs, Athens 2004.
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Diagnoses and therapy of the spiritual diseases of Corinth’s Church in the era of Apostle Paulaccording to Three Hierarchs, Athens 2004.
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The “civil war” of the soul according to St John Chrysostom, Athens 2004.
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Cultural Theology of Euboea, Athens 2005.
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Issues of Psychology of Religion, Athens 2007.
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The Psychology of Religion in the 21th century, Athens 2020.
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Religiosity and Desire (or God and Eros), Athens 2010/2018.
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Religion and Science, Athens 2010.
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The Psychology of Heresy, Athens 2010.
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The Psychology of Cultures Judea-Christian and Roman, Athens 2010.
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Traits of Personality and their relationship with the formation of students’ religiosity (Dissertation), Athens 2015.
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Patristic Spirituality and Psychotherapy, Athens 2015.
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Religious-psychological Analects, Athens 2017.
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Interpersonal forgiveness, Athens 2018.
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Rudiment of Cognitive Psychology of Religion, Athens 2018.
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S. K. Tsitsigkos, “The thirst for meaning in the contemporary geographic and digital neo-nomadism“, ΝΕΑ ΣΙΩΝ, τόμ. 97, 2010, pp. 19-35.
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Spyridon K. Tsitsigkos, "THE BITTEN APPLE RELIGIOUS-PSYCHOLOGICAL VIEWPOINT", Theophany, http://epub.lib.uoa.gr/index.php/theophany/index
- Σπ. Τσιτσίγκου, "Αυτογνωσία και (χριστιανική) πνευματικότητα", στο: Εμπειρία και Αυτογνωσία, επιμ. Μ. Κ. Μαντζανάς, τόμ. Α', Αθήνα 2024, σ. 181-202.
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