Part of Ecumenism:
6. Christian Denominations:
A. Study of Christian Denominations
1. It is the primary task of the study of denominations today to describe the contemporary scene, but it must also call on history insofar as it is the key to the understanding of the present.
The beginnings of such systematic study are found very early in the Church, e.g., in the Panarion of Epipha…