Ut unum sint :
Ut unum sint : encyclical letter of the Holy Father John Paul II on commitment to ecumenism.
- London : Catholic Truth Society, 1995.
- 116p.
0851839584
Catholic Church--Relations--Protestant churches.
Catholic Church--Relations--Eastern churches.
Christian union--Catholic Church.
0851839584
Catholic Church--Relations--Protestant churches.
Catholic Church--Relations--Eastern churches.
Christian union--Catholic Church.