Bibliografía (18 obras)
Ordnance Survey letters Limerick
2014
Ordnance survey letters
2013
Ordnance survey letters, Londonderry, Fermanagh, Armagh-Monaghan, Louth, Cavan-Leitrim
2012
Ordnance survey letters Longford and Westmeath
2011
Ordnance survey letters, Roscommon
2010
Irish
2008
The Cathach of Colum Cille
2002
Studies in the layout, buildings, and art in stone of early Irish monasteries
1995
Rathcroghan and Carnfree
1991
Gleanncholmcille
1990
A survey of the royal site of Cruachain in Connacht
1985
Irish decorated neolithic pottery
1982
Ireland in prehistory
1977
Irish passage graves
1974
Glencolumbkille
1971
The "Larne" material in Lord Antrim's Collection at the Ashmolean Museum, Oxford
1968
The 'Larne' material in Lord Antrim's collection at the Ashmolean Museum, Oxford
From Lhuyd to Coffey
1967
