by Kathleen Garces-Foley

by Hamer, Richard;Russell, Vida;

by J. B. Rives (assistant Professor Of Classics And History, Assistant Professor Of Classics And History, Columbia University)

by Richard Paul Vaggione

by J. H. D. Scourfield (professor And Head Of The Department Of Classics, Professor And Head Of The Department Of Classics, National University Of Maynooth, Ireland)

by Michael Bland Simmons

by D. L. D\'avray (reader In Medieval History, Reader In Medieval History, University College, London)

by Andrew Brown

by Matthew Cragoe (lecturer, Lecturer, University Of Hertfordshire)

by William Of Malmesbury

by Michael Winterbottom

by Norman Housley

by Graeme Murdock

by Richard Sharpe (reader In Diplomatic, Reader In Diplomatic, University Of Oxford)

by G.I.T. Machin

by Norman Housley

by The Venerable, St.bede

by Pius II,Pope; Aeneas Sylvius Piccolominus

by Hugh The Chanter

by Lanfranc; Lanfranc of Bec

by Andrew Pettegree (, University Of St Andrews)

by John Wyclif; John Wycliffe

by Andrew Louth (professor Of Cultural History, Goldsmiths\' College, Professor Of Cultural History, Goldsmiths\' College, University Of London)

by Leon Litvack (lecturer In English, Lecturer In English, The Queen\'s University, Belfast)

by Adrian Hastings (professor Of Theology And Head Of The Department Of Theology And Religious Studies, Professor Of Theology And Head Of The Department Of Theology And Religious Studies, University Of Leeds)

by Owen Chadwick

by Felicity Heal

by Andrew McGowan

by Nicholas Hope

by Hilarion Alfeyev

by Terrance W. Klein

by Michael Brydon

by Paul Helm

by Peter D. Clarke

by Jon M. Robertson (, Formerly Professor Of Theology At The Seminario De Las Iglesias Del Pacto Evangelico Del Ecuador In Quito, Ecuador)

by Richard J. Goodrich

by Rowan Strong

by Sophie Lunn-rockliffe

by James Pereiro

by Erika Hermanowicz

by Peter Widdicombe (assistant Professor In The Department Of Religious Studies, Assistant Professor In The Department Of Religious Studies, Mcmaster University, Hamilton, Ontario)

by Richard Cross (tutorial Fellow In Theology, Oriel College, And Lecturer In Theology, University Of Oxford)

by Regina Portner (, Research Fellow, German Historical Institute, London)

by Henry Chadwick (, Emeritus Regius Professor Of Divinity, University Of Cambridge)

by Rowan Strong (, Lecturer In Church History At Murdoch University, Australia)

by H.E.J. Cowdrey; Pope Gregory VII

by Ian J. Shaw (, Lecturer In Church History At International Christian College, Glasgow)

by Ann Hughes

by F M S McGrath

by Paul Helm

by Nigel Voak

by Catherine Conybeare

by Owen Chadwick

by Philip Burton

by Leontius

by Patrick Nold (, Visiting Professor In History, University Of Michigan)

by Katerina Ierodiakonou

by Paul Gavrilyuk

by Matthew Grimley (, Lecturer In History, Royal Holloway)

by Sergey A. Ivanov