Communio is a federation of theological journals, founded in 1972 by Joseph Ratzinger, Hans Urs von Balthasar, Henri de Lubac, Walter Kasper, Marc Ouellet, Louis Bouyer and others.
The story is also presented in smaller sections; Introitus, Kyrie, Sequentia, offertorium, Sanctus, Benedictus, Agnus Dei and Communio.