Brian Boru and the Battle of Clontarf /

by Duffy, Seán, 1962-, Duffy, Seán, 1962-, Duffy, Seán, 1962-, Duffy, Seán, 1962-, Duffy, Seán, 1962-, Duffy, Seán, 1962-
Published 2013

Nioclás Ó Cearnaigh : beatha agus saothar /

by Duffy, Seán, 1962-, Duffy, Seán, 1962-, Duffy, Seán, 1962-
Published 1989

Ireland in the Middle Ages /

by Duffy, Seán, 1962-, Duffy, Seán, 1962-, Duffy, Seán, 1962-
Published 1997

Ireland in the Middle Ages /

by Duffy, Seán, 1962-, Duffy, Seán, 1962-
Published 1997

Atlas of Irish history /

by Duffy, Seán, 1962-, Duffy, Seán, 1962-
Published 2012

The concise history of Ireland /

by Duffy, Sean, Duffy, Seán, Duffy, Seán, 1962-, Duffy, Seán, 1962-, Duffy, Seán, 1962-, Duffy, Seán, 1962-
Published 2000

Nicholas O'Kearney : the last of the bards of Louth /

by Duffy, Seán, 1962-
Published 1989

Princes, prelates and poets in Medieval Ireland : essays in honour of Katharine Simms /

by Duffy, Seán, 1962-
Published 2013

Ireland in the Middle Ages /

by Duffy, Seán, 1962-
Published 1997

Ireland in the Middle Ages /

by Duffy, Seán, 1962-
Published 1996

Ireland in the Middle Ages /

by Duffy, Seán, Duffy, Seán, 1962-, Duffy, Seán, 1962-
Published 1997

Dublin Castle : from fortress to palace

by Duffy, Seán, 1962-, Montague, John (Architectural historian), Mulligan, Kevin V., O'Neill, Michael (Michael Patrick)
Published 2022

Dublin Castle : from fortress to palace

by Duffy, Seán, 1962-, Duffy, Seán, 1962-, Lynch, Ann, Lynch, Ann, Manning, Conleth, Manning, Conleth, Montague, John (Architectural historian), Montague, John (Architectural historian), Mulligan, Kevin V., Mulligan, Kevin V., O'Neill, Michael (Michael Patrick), O'Neill, Michael, Wiggins, Ken, Wiggins, Ken
Published 2022

Dublin Castle : from fortress to palace /

by Duffy, Seán, 1962-, Lynch, Ann, Manning, Conleth, Montague, John (Architectural historian), Mulligan, Kevin V, O'Neill, Michael (Michael Patrick), Wiggins, Kenneth, 1959-
Published 2022

The world of the galloglass : kings, warlords and warriors in Ireland and Scotland, 1200-1600 /

Published 2007

Robert the Bruce's Irish wars : the invasions of Ireland 1306-1329 /

Published 2002

Atlas of Irish history /

Published 1997

Medieval Dublin XIX /

Published 2023

Medieval Dublin XVII /

Published 2019

Medieval Dublin XV : proceedings of the Friends of Medieval Dublin symposium 2013,

Published 2016