Gill, Paul, Corner, Emily, Conway, Maura ORCID: 0000-0003-4216-8592, Thornton, Amy, Bloom, Mia and Horgan, John (2017) Terrorist use of the internet by the numbers: quantifying behaviors, patterns and processes. Criminology & Public Policy, 16 (1). pp. 99-117. ISSN 1745-9133

Horgan, John (2017) The press in 1917: wars and rumours of wars. In: 1917 – Aftermath of Rebellion, 28 Jan 2017, Dublin, Ireland.

Horgan, John (2016) Daniel O’Connell: Politics and the Press. In: Daniel O’Connell Summer School 2016, 26-28 Aug 2016, Derrynane, Co. Kerry, Ireland.

Horgan, John (2016) Notes from Ireland: Irish Unionism's media outreach to Britain - and beyond. In: Shared Histories Conference 2016: Media Connections Between Britain and Ireland, 6-7th July 2016, Dublin, Ireland.

Horgan, John (2015) Reporting 1916 in the North of Ireland: a study in the political equivalent of the Doppler effect. In: Newspaper & Periodical History Forum of Ireland Conference 2015, 13 -14 Nov 2015, Dublin, Ireland.

Horgan, John (2014) The Furrow: navigating the rapids, 1950–77. In: O'Brien, Mark and Larkin, Felix M., (eds.) Periodicals and journalism in twentieth-century Ireland. Four Courts Press, Dublin, Ireland, pp. 167-181. ISBN 978-1-84682-524-8

Horgan, John (2014) Dropping the Captain: the short but eventful editorship of Louis McRedmond at the Irish Independent, 1968-70. Irish Communication Review, 14 (1). pp. 80-90. ISSN 0791-0010

Horgan, John (2012) Ireland’s Press Ombudsman, John Horgan, on accountability, regulation and redress: Where do press councils stand? Journal of Applied Journalism & Media Studies, 1 (2). pp. 201-207. ISSN 2001-0818

Horgan, John (2012) The changing of the guard at Middle Abbey Street, 1961-73. In: O'Brien, Mark and Rafter, Kevin, (eds.) Independent Newspapers: A History. Four Courts Press, Dublin, Ireland, pp. 133-146. ISBN 978-1-84682-360-2

Horgan, John (2012) Public issues in media: regulation, accountability and the freedom of the press. In: P2P Conference on “The Role of Civil Society in defending Media Freedom”, 4-7 Jul 2012, Brussels, Belgium.

Horgan, John (2012) Laying the foundation – politics. In: Ireland and Europe – 50 years a growing, Dublin, Ireland.

Horgan, John (2011) Report on Editorial Processes and Risk Management Procedures in RTE Television Current Affairs. Technical Report. RTE.

Horgan, John (2011) The Irishness of Francis McCullagh. In: Rafter, Kevin, (ed.) Irish Journalism Before Independence. Manchester University Press, Manchester, UK. ISBN 978-1-8477-9503-8

Horgan, John (2010) The Freedom of the press - some reflections. In: Parnell Summer School, 9-13 Aug 2010, Avondale, Ireland.

Horgan, John (2010) Ethics in society at all levels: political, civil society, media and business. Contribution by Professor John Horgan, Press Ombudsman (Ireland). In: Ethics in society at all levels: political, civil society, media and business, 6-8 Apr 2010, Budva, Montenegro.

Gore, Will and Horgan, John (2010) Maintaining freedom with responsibility: the evolving role of non-statutory press councils in a changing media landscape. Journalism Practice, 4 (4). pp. 523-532. ISSN 1751-2786

Horgan, John (2009) The great war correspondent: Francis McCullagh, 1874–1956. Irish Historical Studies, 36 (144). pp. 542-563. ISSN 2056-4139

Horgan, John (2009) Journalism education: the future. In: Connacht Tribune Centenary Conference, 2 Oct 2009, Galway, Ireland.

Horgan, John (2009) Biographical note by John Horgan on his grandfather, J.J. Horgan, author of Parnell to Pearse. In: Parnell to Pearse. Classics of Irish History . University College Dublin Press, Dublin, vii-xxxix. ISBN 9781906359294

Horgan, John (2007) Paper by Professor John Horgan, Press Ombudsman. In: NUJ Biennial Conference, 21 Oct 2007, Tullamore, Ireland.

Horgan, John, McNamara, Paul and O'Sullivan, John (2007) Irish print and broadcast media: The political, economic, journalistic and technological context. In: Horgan, John, O'Connor, Barbara and Sheehan, Helena, (eds.) Mapping Irish media: critical explorations. University College Dublin Press, Dublin, Ireland. ISBN 978-1904558835

O'Brien, Mark (2007) Selling fear? The changing face of crime reporting in Ireland. In: Horgan, John, O'Connor, Barbara and Sheehan, Helena, (eds.) Mapping Irish Media: Critical Explorations. UCD Press, Dublin. ISBN 9781904558835

Horgan, John (2007) Sean Lemass’s foreign policy. In: UCD Summer School, 2-5 Jul 2007, Dublin, Ireland.

Horgan, John (2007) Preventing incitement to terrorism and radicalisation: what role for the media? Opening address. In: Preventing incitement to terrorism and radicalisation: what role for the media?, 21 May 2007, Dublin, Ireland.

Horgan, John (2006) Aggiornamento. In: Whittaker, Andrew, (ed.) Bright, Brilliant Days: Douglas Gageby and the Irish Times. A. & A. Farmar, Dublin, Ireland, pp. 59-69. ISBN 978-1899047666

Horgan, John (2001) ‘Government Sources Said Last Night . . . The Development of the Parliamentary Press Lobby in Modern Ireland”,. In: Morgan, Hiram, (ed.) Information Media and Power through the Ages. UCD Press, Dublin, Ireland, pp. 259-272. ISBN 9781900621618

Horgan, John (2000) Anti-Communism and Media Surveillance in Ireland 1948-50. Irish Communication Review, 8 (1/4). pp. 30-34. ISSN 0791-0010

Horgan, John (2000) The Media and the State: Television and the Press 1949-99. In: Ryan, Ray, (ed.) Writing in the Irish Republic: Literature, Culture, Politics, 1949-99. Macmillan, London, UK. ISBN 9780333736579

Horgan, John (1995) Saving us from ourselves: contraception, censorship and the 'evil literature'controversy of 1926. Irish Communications Review, 5 (1). pp. 61-67. ISSN 0791-0010