A decate of objective progress in Church Unity 1927-1936 :
Douglass, H. Paul D.D.
A decate of objective progress in Church Unity 1927-1936 : Report no. 4 prepared by the Commission on the Church's Unity in Life and Worship (Commission IV) for the World Conference on Faith and Order, Edinburgh, 1937 / This report has been drafted for the Commission by H. Paul Douglass, D.D. - New York ; London : Harper & Brothers Publ. - 140 p.
Քրիստոնեական եկեղեցու ընդհանուր պատմություն
A decate of objective progress in Church Unity 1927-1936 : Report no. 4 prepared by the Commission on the Church's Unity in Life and Worship (Commission IV) for the World Conference on Faith and Order, Edinburgh, 1937 / This report has been drafted for the Commission by H. Paul Douglass, D.D. - New York ; London : Harper & Brothers Publ. - 140 p.
Քրիստոնեական եկեղեցու ընդհանուր պատմություն