| Analyzing Spatiotemporal Change by Use of National Historical Geographical Information Systems : Population Change during and after the Great Irish Famine | Ell, Paul S.Gregory, Ian N. | Article in Journal | | 2005 |
| Mapping the great Irish famine : a survey of the famine decades | | Monograph or Collective Volume | Four Courts | 1999 |
| No spatial watershed : religious geographies of Ireland pre- and post-Famine | Cunningham, NiallEll, Paul S.Gregory, Ian N. | Article in Book | | 2014 |
| Troubled geographies : a spatial history of religion and society in Ireland | Cunningham, Niall A.Ell, Paul S.Gregory, Ian N.Lloyd, C. D.Shuttleworth, Ian G. | Monograph or Collective Volume | Indiana University Press | 2013 |