Volume 1: The Holy Spirit in the 'Economy' (Salvation History)
If that works for you, here is an original overview: Yves Congar I Believe In The Holy Spirit.pdf
Congar proposes a brilliant, harmonized approach. He argues that while the Father is the ultimate source ( principium ) of the Trinity, the Spirit proceeds from the Father through the Son, a formula that respects Eastern insights while preserving Western theological developments. 3. Core Theological Themes and Breakthroughs Volume 1: The Holy Spirit in the 'Economy'
If you are interested in a deeper study of this, I can provide: A summary of specifically. An analysis of Congar's influence on Vatican II . Key quotes regarding charisms . Core Theological Themes and Breakthroughs If you are
The final volume deals with the deep dogmatic and ecumenical issues, specifically focusing on the theological rift between Western (Catholic/Protestant) and Eastern (Orthodox) Christianity.