Names of God in the Catholic Mass

It is instructive to consider the various names of God used in the Catholic Mass. The list below comes from the regular Order of the Mass, variable Eucharistic Prayers I — IV, and variable Eucharistic Prayers for Masses of Reconciliation I — II, as shown on the web pages of Felix Just S. J. .
God
One [...]

The Trinity as Communion

This book is highly recommended: Being as Communion: Studies in Personhood and the Church, by John D. Zizioulas, Eastern Orthodox metropolitan of Pergamon and modern theologian. Among other things, the book discusses a valuable new perspective on the nature of God, and, in particular on the Trinity.
This new perspective depends on an important [...]