See this online text:
- “Humanity Created for Communion with the Trinity in Aquinas”, by Rev. Prof. Richard Conrad, OP, Ph.D. Delivered at the Pusey House 2016 Theological Conference entitled “A Transforming Vision: Knowing and Loving the Triune God”. Available in pdf format on this page of Blackfriars Hall Oxford.
- The text states that it “is almost the version published in George Westhaver (ed.) A Transforming Vision: Knowing and Loving the Triune God. London: SCM, 2018. Pages 121-134. Six additions or re-phrasings were made for the sake of clarity; the abstract was not included.”
See also the texts and ebooks listed on the page God and Christ, as well as the following:
- “Universality and the Divine Essence: St. Thomas Aquinas on the Unity Characteristic of the Trinitarian Persons”, by [now Professor] Brandon L. Wanless [now Ph.D.] (2015). School of Divinity Master’s Theses and Projects. 14. Available in pdf format on this page of the University of St. Thomas.
On the Feast of the Holy Trinity and the Octave of Pentecost in the Roman Rite of the Latin Church, and on All Saints Sunday in the Eastern Catholic Churches. For other texts and ebooks, you may access the List of Free eBooks (Arranged by Title), the List of Free eBooks (Grouped by Subject), the List of Worth-It Catholic Books & eBooks, and the main page of the Catholic eBooks Project. Oremus:
“Omnipotens sempiterne Deus, qui dedisti famulis tuis in confessione verae fidei, aeternae Trinitatis gloriam agnoscere, et in potentia maiestatis adorare Unitatem: quaesumus, ut eiusdem fidei firmitate, ab omnibus semper muniamur adversis.” (From the EWTN webpage on the Angelic Trisagion)