RT Book T1 The churches and the church: a study of ecumenism; with a new postscript A1 Leeming, Bernard 1893-1971 LA English PP London PB Darton, Longman & TOdd YR 1963 ED 2. ed. UL https://ixtheo.de/Record/1137687509 K1 Katholische Kirche K1 Ökumene K1 Lehrbuch