Christian A. O. Lutz has written:
'The road to European union' -- subject(s): European Economic Community, European federation
O. Cullmann has written: 'Early Christian worship'
William O. Brady has written: 'Christian unity' -- subject(s): Christian union, Catholic Church
Herbert L. O. Williams has written: 'Christian education in Africa' -- subject(s): Christian education, Missions
O. W. Polen has written: 'Editorially speaking' -- subject(s): Christian life, Church of God authors
J. A. O. Preus has written: 'Just Words' -- subject(s): Justification (Christian theology), Salvation, Christianity
Lewis O. Thompson has written: 'Nineteen Christian centuries in outline' -- subject(s): History, Outlines, syllabi, etc.
D. Gwenallt Rees has written: 'Rhai o arwyr Crist' -- subject(s): Christian biography
Edward O. England has written: 'Afterwards' 'An unfading vision' -- subject(s): Biography, Christian literature, History, Hodder and Stoughton, Publishers and publishing, Publishing
Allen O. Miller has written: 'A Christian declaration on human rights' 'Invitation to theology' -- subject(s): Doctrinal Theology, Popular works, Religious education
Gerald O. McCulloh has written: 'A plain account of Christian devotion' -- subject(s): Methodism 'Heralds of Christ' 'Man's faith and freedom' -- subject(s): Arminianism
O. Petrash has written: '\\'
O. Sosin has written: '\\'