TY  - BOOK
AU  - Derr, Thomas Sieger.
TI  - Barrier to Ecumenism: The Holy see and the World Council of Churches on Social Questions 
SN  - 0883440318
U1  - 280.1 
PY  - 1983///
CY  - Maryknoll, New york
PB  - Orbis Books
ER  -