Abbreviations
| ARCIC | Anglican-Roman Catholic International Commission |
| BCMS | Bible Churchmen’s Missionary Society (now Crosslinks) |
| CICCU | Cambridge Inter-Collegiate Christian Union |
| CMS | Church Missionary Society (now Church Mission Society) |
| ERCDOM | Evangelical-Roman Catholic Dialogue on Mission |
| SCM | Student Christian Movement |
| SPCK | Society for Promoting Christian Knowledge |
| USPG | United Society for the Propagation of the Gospel (now United Society Partners in the Gospel) |
| WCC | World Council of Churches |