| 'Though I abominate your superstitions, I love your person': Parson Nathaniel Hooke, Father Ambrose Grymes and a sermon to mark James II's coronation preached in Brussels, 23 April 1685(OS) | Byrne, Thomas | Article in Journal | | 2017 |
| Beyond consociational theory : identity in Northern Ireland and Brussels | Jarrett, Henry | Article in Journal | | 2016 |
| Bibliotheca hagiographica latina antiquae et mediae aetatis | Bollandiani, Socii | Monograph or Collective Volume | [s.n.] | 1901 |
| Brusselstown Ring : a nucleated settlement agglomeration in prehistoric Ireland | Boutoille, LindaBrandherm, DirkEdwards, CherieO'Driscoll, James | Article in Journal | | 2025 |
| Catalogue of Latin and vernacular alchemical manuscripts in Great Britain and Ireland dating before the 16th century. 3 vols. | Singer, D. W. | Monograph or Collective Volume | | 1928 |
| Catechismus ... an teagasc Chríostui .. | Gállduff, Teabóid | Monograph or Collective Volume | | 1639 |
| Closer to Brussels than to Rome? The EU as the new external referent for a secularised Irish society and a redefined Catholic identity | Penet, Jean-Christophe | Article in Journal | | 2009 |
| Essai sur les origines de la miniature dite irlandaise | Masai, François | Monograph or Collective Volume | Éditions 'Érasme' | 1947 |
| Finding Irish ancestors in Belgian records | Casteleyn, Mary | Article in Journal | | 2019 |
| L'enluminure du haut moyen âge et les influences irlandaises. Histoire d'une influence | Micheli, G. L. | Monograph or Collective Volume | | 1940 |
| L'imposture de Perkin Warbeck | Chastelain, J.-D. | Monograph or Collective Volume | | 1952 |
| La question d'Irlande | Guiffan, Jean | Monograph or Collective Volume | Editions Complexes | 2006 |
| Leabhar Átagraf ó 1916 a aimsíodh ar na mallaibh | de Fréine, Seán | Article in Journal | | 1986 |
| Les Îles britanniques et la Révolution française, 1789-1803 | Dechamps, S. | Monograph or Collective Volume | | 1949 |
| Miscellanea hagiographica hibernica : vitae adhuc ineditae sanctorum Mac Creiche Naile Cranat | | Monograph or Collective Volume | | 1925 |
| Nine lives : the reflections of a dedicated diplomat | Denham, Dónal | Monograph or Collective Volume | Liffey Press | 2022 |
| Ó Chalainn an Chlampair go Bás sa Bhruiséil | de Fréine, Seán | Article in Journal | | 1985 |
| Patrice-François de Neny: (1716-1784) : portrait d'un homme d'État | Bernard, Bruno | Monograph or Collective Volume | Éditions de l’Université de Bruxelles | 1993 |
| Resurrecting an ancient chief | Moloney, Gerry | Article in Journal | | 2014 |
| The institutional structure of regional consociations in Brussels, Northern Ireland, and South Tyrol | Wolff, Stefan | Article in Journal | | 2001 |
| The life and writings of Tomás Roseingrave : in the service of Ireland and the European Union - from Gort to Brussels - Volume 1 | | Monograph or Collective Volume | Lettertec | 2025 |
| Ulster : l'Irlande des fous de Dieu | De Groulart, Claude | Monograph or Collective Volume | Rossel | 1976 |
| Vitae Sanctorum Hiberniae ex codice olim Salmanticensi nunc Bruxellensi | | Monograph or Collective Volume | | 1965 |
| Wild geese in Spanish Flanders, 1582-1700, Documents relating chiefly to Irish regiments, from the Archives Générales du Royaume, Brussels, and other sources | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1964 |