Revised but Not Standard
This article considers what effect the revising of historic creeds like the Apostles' Creed has on ecumenical ties.
The Heidelberg Catechism – An Ecumenical Creed?
Klooster want to assess the ecumenical character of the Heidelberg Catechism. He gives a brief survey of the historical background of the Heidelberger and then consider its ecumenical character.