Nerses the Gracious: Theologian and Ecumenist, 1974, Beirut (in Armenian)
The Witness of the Armenian Church in a Diaspora Situation, 1977, New York (in English), two editions
The True Image of the Armenian Church, 1979, Antelias (in Armenian)
With the Will of Re-Building, 1984, Beirut (in Armenian)
With the People, 1989, Beirut (in Armenian)
Conciliar Fellowship: a Common Goal, 1989, Geneva (in English), two editions
Orthodox Perspectives on Mission, 1992, Oxford (in English), two editions
Towards the 1700th Anniversary of the Christianization of Armenia, 1994, Antelias (in Armenian)
The Challenge to be a Church in a Changing World, 1997, New York (in English), two editions
Jesus Christ: the Son of God-the Son of Man, 1999, Antelias (in Armenian), two editions
Church, Nation and Homeland, 1999, Antelias (in Armenian), two editions
In Search of Ecumenical Vision, 2000, Antelias (in English), three editions
L'eglise Face aux Grands défis, 2000, Antelias (in French), two editions
The Armenian Church Beyond the 1700th Anniversary, 2002, Antelias (in English), three editions
The Mission of Faith, 2003, Antelias (in Armenian), two editions
Justice, Paix, Réconciliation, 2003, Antelias (in French)
The Christian Witness at the Crossroads in the Middle East, 2004, Antelias (in English), three editions
Der Zor: A National Sanctuary, 2005, Antelias (in Armenian)
The Dignity of Serving, 2005, Antelias (in Armenian)
For a Church Beyond its Walls, 2006, Antelias (in English)
Pour un Monde Transformé, 2006, Antelias (in French)
Dialogue with Youth Montreal, 2009 (in English and French)
Enriching Life with values, Antelias, 2009 (in Armenian)
St. Nerses the Gracious and Church Unity, Antelias, 2010 (in English)
A Journey of Faith, Hope and Vision, Antelias, 2011 (in English)
Taking the Church to the People, Antelias, 2011 (in English)
Issues and Perspectives, Antelias, 2013 (in English)
The Armenian Church. Author: His Holiness Aram I - Antelias, 2016, English, 241 Pages.
L'Église Arménienne. Author: His Holiness Aram I - Antelias, 2018, French, 257 Pages.
«Against New Horizons» Author: His Holiness Aram I - Antelias, 2018, 581 Pages
Армянская Церковь (Armenian Church), Author: His Holiness Aram I - Antelias, 2018, Russian, 253 Pages.
Inter-religious dialogue
In 2000, he indicated that he had no problem with the substance of Dominus Iesus, the document on relativism of the Holy Office of the Catholic Church, but faulted it for its unecumenical language.
On 18 May 2026, he visited Pope Leo XIV in the Vatican, and suggested a new ecumenical council ("Vatican III").
