Duffy, Patrick (2012) Colonial Spaces and Sites of Resistance: Landed Estates in 19th Century Ireland. In: Anniversary Essays: Forty Years of Geography in Maynooth. National University of Ireland Maynooth, pp. 369-399. ISBN 9780992746605

Duffy, Patrick (2012) The Territorial Organisation of Gaelic Landownership and its Transformation in County Monaghan, 1591-1640. In: Anniversary Essays: Forty Years of Geography in Maynooth. National University of Ireland Maynooth, pp. 57-83. ISBN 9780992746605

Duffy, Patrick, Corcoran, Mary and Keaveney, Karen (2007) Transformations in Housing. In: Understanding Contemporary Ireland. Pluto Press, pp. 249-263.

Ni Bhrádaigh, Emer, McCarron, Stephen, Walsh, John and Duffy, Patrick (2007) Using GIS to map the evolution of the Gaeltacht. Irish Geography, 40 (1). pp. 99-108. ISSN 0075-0778

Duffy, Patrick (2006) Placing migration in history: geographies if Irish population movements. In: Migration and Myth: Ulster's revolving door. The Ulster Local History Trust, Belfast, pp. 22-37.

Duffy, Patrick (2006) The Territorial Identity of Kildare's Landscapes. In: Kildare: History and Society (Interdisciplinary essays on the history of an Irish county). Geography Publications, Ireland, pp. 1-33. ISBN 978-0-906602-57-7

Duffy, Patrick (2006) The shape of the parish. In: the Parish in Medieval and Early Modern Ireland. Four Courts Press for the Group for the study of Irish Historic Settlement, pp. 33-61. ISBN 1-85182-947-4

Duffy, Patrick (2004) The town of Monaghan: a place inscribed in street and square. In: Later on: the Monaghan bombing memorial anthology. Brandon, pp. 14-32. ISBN 0-86322-326-5

Duffy, Patrick (2004) Townlands: territorial signatures of landholding and identity. In: The heart's townland: marking boundaries in Ulster. The Ulster Local History Trust in association with The Cavan-Monaghan Rural Development Co-operative Society, pp. 18-38. ISBN 0 9542832 1 X

Duffy, Patrick (2003) Change and renewal in issues of place, identity and the local. In: Engaging spaces: people, place and space from an Irish perspective. The Lilliput Press, pp. 13-29. ISBN 1 84351 034 0

Duffy, Patrick (2001) Social and spatial order in the MacMahon lordship of Airghialla in the late sixteenth century. In: Gaelic Ireland, c.1250 - c.1650. Four Courts Press for the Group for the study of Irish Historic Settlement, pp. 115-137. ISBN 1-85182-547-9

Duffy, Patrick (2000) Heritage and history: exploring landscape and place in County Meath. Riocht na Midhe, XI. pp. 187-218. ISSN 0461-5050

Duffy, Patrick (1997) State policy on school physical education in, Ireland, with special reference to the period 1960-1996. PhD thesis, National University of Ireland Maynooth.

Duffy, Patrick (1997) Emigrants and the Estate Office in the Mid-Nineteenth Century: a Compassionate Relationship? In: The hungry stream: essays on emigration and famine: proceedings of the conference held at the Ulster-American Folk Park. The Institute of Irish Studies, The Queen's University of Belfast and the Centre for Emigration Studies at the Ulster -American Folk Park, pp. 71-86. ISBN 0 85389 677 1

Breathnach, Proinnsias, Duffy, Patrick, MacKeogh, Kay and Walsh, Jim (1984) Aspects of Rural Development in the Scottish Highlands and Islands. Project Report. Geography Publications.