TY  - GEN
AU  - POPE PIUS XII
TI  - Encyclical letter of pope Pius XII on St. Cyril, Patriarch of Alexandria on the fifteenth centenary of his most holy death"Orientalis Ecclesiae decus"
AV  - BX860. S12 O7 
CY  - Washington
PB  - National catholic welfare conference
KW  - catholic church-Teaching
ER  -