| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Cyberterrorism | Hardcover | 978-0-7546-2426-4 | 2004 | Alan O'Day |
| Defenders of the Union: A Survey of British and Irish Unionism Since 1801 | Paperback | 978-0-415-17422-0 | 2001 | D.George Boyce · Alan O'Day |
| Dimensions of Terrorism | Hardcover | 978-0-7546-2423-3 | 2004 | Alan O'Day |
| Gladstone and Ireland: Politics, Religion and Nationality in the Victorian Age | " | 978-0-230-22194-9 | 2011 | David George Boyce · Alan O'Day |
| Ireland and Anglo-Irish Relations Since 1800: Critical Essays: v. 1-3 3 Volume Set | " | 978-0-7546-2784-5 | 2008 | Alan O'Day |
| Irish Historical Biographies | " | 978-1-4039-3922-7 | 2013 | Alan O'Day · Neil Fleming |
| Irish Historical Documents Since 1800 | Paperback | 978-0-7171-1839-7 | 1992 | Alan O'Day |
| Irish Home Rule, 1867-1921 | " | 978-0-7190-3776-4 | 1998 | " |
| Irish Nationalism, 1798-1922 | " | 978-0-415-09225-8 | 2007 | Alan O'Day · D.G. Boyce |
| Irish Nationalism 1798-1922 | Gebunden | 978-0-415-19447-1 | 2007 | David George Boyce · Alan O'Day |
| Isaac Butt | Paperback | 978-1-906359-74-4 | 2015 | Alan O'Day |
| Isaac Butt: Collected Writings | Hardcover | 978-1-84371-079-0 | 2003 | Isaac Butt · Alan O'Day |
| Modern Terrorism | " | 978-0-7546-2752-4 | 2014 | Alan O'Day · N. C. Fleming |
| Modern Terrorism | " | 978-0-7546-2757-9 | 2014 | Alan O'Day · N. C. Fleming |
| Modern Terrorism | " | 978-0-7546-2760-9 | 2014 | Alan O'Day · N. C. Fleming |
| Terrorism in Ireland | " | 978-1-138-90307-4 | 2015 | Yonah Alexander · Alan O'Day |
| Terrorism's Laboratory: Case of Northern Ireland | " | 978-1-85521-457-6 | 1995 | Alan O'Day |
| The Longman Handbook of Modern Irish History since 1800 | Paperback | 978-0-582-08102-4 | 2005 | Alan O'Day · N.C. Fleming |
| The Making of Modern Irish History: Revisionism and the Revisionist Controversy | " | 978-0-415-12171-2 | 1996 | D. George Boyce · Alan O'Day |
| The Palgrave Companion to Northern Irish History | Hardcover | 978-1-4039-3915-9 | 2016 | Alan O'Day · Neil Fleming |
| The Roots of Modern Terrorism | " | 978-0-7546-2321-2 | 2021 | Alan O'Day · N.C. Fleming |
| The Roots of Modern Terrorism | Paperback | 978-0-7546-2325-0 | 2021 | Alan O'day · N.C. Fleming |
| The Ulster Crisis: 1885-1921 | Hardcover | 978-1-4039-4369-9 | 2006 | D. George Boyce · Alan O'Day |
| The Ulster Crisis: 1885-1921 | Paperback | 978-1-4039-4370-5 | 2005 | D. George Boyce · Alan O'Day |
| War on Terrorism | Hardcover | 978-0-7546-2424-0 | 2004 | Alan O'Day |
| Weapons of Mass Destruction and Terrorism | " | 978-0-8153-9895-0 | 2019 | " |
| Weapons of Mass Destruction and Terrorism | " | 978-0-7546-2425-7 | 2004 | " |
A. D. · A Day · A. o · Alan Day · Dr. Alan O'Day · O D · O'day
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