| A newly discovered account of the battle of Kinsale, 1601-2 | O'Scea, Ciaran | Article in Book | | 2004 |
| Caracena : champion of the Irish, hunter of the Moriscos | O'Scea, Ciaran | Article in Book | | 2004 |
| Documents concerning inter-Irish political rivalry at the Spanish court and the assassination of Domnall Cam O'Sullivan Beare, 1614-25 | | Article in Journal | | 2012 |
| En Busca de Papeles : la transformación de la cultura oral de los inmigrantes irlandeses desde La Coruña hasta la Corte | O'Scea, Ciaran | Article in Book | | 2002 |
| From Munster to La Coruña across the Celtic Sea : emigration, assimilation and acculturation in the kingdom of Galicia (1601-40) | O'Scea, Ciaran | Article in Journal | | 2010 |
| In search of honour and a Catholic monarch : the assimiliation and integration of an Irish minority in early modern Castile, 1601-1638 | O'Scea, Ciaran | Thesis | | 2007 |
| Irish emigration to Castille in the opening years of the seventeenth century | O'Scea, Ciaran | Article in Book | | 2004 |
| Irish wills from Galicia, 1592-1666 | O'Scea, Ciaran | Article in Journal | | 2002 |
| Spanish map of the siege of Kinsale | O'Scea, Ciaran | Article in Book | | 2004 |
| Special privileges for the Irish in the kingdom of Castile (1601-1680) : modern myth or contemporary reality? | O'Scea, Ciaran | Article in Book | | 2010 |
| Special privileges for the Irish in the Kingdom of Castile (1601-1680) : modern myth or contemporary reality? | O'Scea, Ciaran | Article in Book | | 2010 |
| Surviving Kinsale : Irish emigration and identity formation in early modern Spain, 1601-40 | O'Scea, Ciaran | Monograph or Collective Volume | Manchester UP | 2015 |
| The devotional world of the Irish Catholic exile in early-modern Galicia, 1598-1666 | O'Scea, Ciaran | Article in Book | | 2001 |
| The financial cost of Irish immigration to Castile and Galicia (1601-11) | O'Scea, Ciaran | Article in Book | | 2010 |
| The role of Castilian royal bureaucracy in the formation of early-modern Irish literacy | O'Scea, Ciaran | Article in Book | | 2006 |
| The significance and legacy of Spanish intervention in west Munster during the battle of Kinsale | O'Scea, Ciaran | Article in Book | | 2003 |
| Two letters in Irish from Domhnall Mac Suibhne OSA in Nantes (1640) [with index] | O'Scea, CiaranÓ Ciosáin, ÉamonÓ Macháin, Pádraig | Article in Journal | | 2015 |