OC-C Catholic, Old CatholicBy adminAugust 2, 2021International Roman Catholic ― Old Catholic Dialogue Commission
O-RC Catholic, OrthodoxBy adminAugust 2, 2021The Joint International Commission for Theological Dialogue Between the Roman Catholic Church and the Orthodox Church
NCC-C Catholic, New CharismaticBy adminAugust 2, 2021New Charismatic Churches ― Catholic Informal Conversations
M-RC Catholic, World Methodist CouncilBy adminAugust 2, 2021Joint Commission between the Roman Catholic Church and the World Methodist Council
L-R-RC Catholic, Lutheran, ReformedBy adminAugust 2, 2021Joint Lutheran ― Reformed ― Roman Catholic Study Commission on ‘The Theology of Marriage and the Problem of Mixed Marriages’
L-Mn-RC Catholic, Lutheran, MennoniteBy adminAugust 2, 2021Lutheran ― Mennonite ― Catholic International Dialogue
JWG Catholic, WCCBy adminAugust 2, 2021The Joint Working Group Between the World Council of Churches and the Catholic Church
Iarccum Anglican, CatholicBy adminAugust 1, 2021International Anglican ― Roman Catholic Commission for Unity and Mission