| A state of disunion : Arthur Griffith, Michael Collins, James Craig, Éamon de Valera | Younger, Calton | Monograph or Collective Volume | Muller | 1972 |
| Are Irish voters moving to the left? | Müller, StefanRegan, Aidan | Article in Journal | | 2021 |
| Breton | Press, Ian | Article in Book | | 2010 |
| Conflicting loyalties : the Irish Franciscans and the English Crown in the High Middle Ages | Müller, Anne | Article in Journal | | 2007 |
| Continental Celtic | Eska, Joseph F.Evans, D. Ellis | Article in Book | | 2010 |
| Convictions and signals in parliamentary speeches : Dáil Éireann debates on abortion in 2001 and 2013 | Baumann, MarkusDebus, MarcMuller, Jochen | Article in Journal | | 2015 |
| Cornish | George, Ken | Article in Book | | 2010 |
| Delegation and accountability in parliamentary democracies | | Monograph or Collective Volume | Oxford University Press | 2003 |
| Der Anteil der Iren an der Christianisierung der Alemannen | Müller, Wolfgang | Article in Book | | 1982 |
| Die 'irische Frage' : eine historische Studie zu einem gegenwärtigen Konflikt | Gallenmüller, Dagmar | Monograph or Collective Volume | Peter Lang | 1997 |
| Early Irish | Stifter, David | Article in Book | | 2010 |
| Essays in British and Irish history in honour of J.E. Todd | | Monograph or Collective Volume | Muller | 1949 |
| Execution | O'Callaghan, Seán | Monograph or Collective Volume | Muller | 1974 |
| Father Hugh O'Donnell, first parish priest of Belfast, 1772-1812 | Rogers, Patrick | Article in Book | | 1949 |
| Fortification of Belfast | Muller, GeraldWilliamson, Gavin | Article in Journal | | 1995 |
| Frederick Lucas : a biography | Riethmüller, James | Monograph or Collective Volume | | 1862 |
| George Farquhar, sein Leben und seine Original-Dramen | Schmid, David | Monograph or Collective Volume | W. Braumüller | 1904 |
| Henry Montgomery, 1788-1865 | Allen, Robert | Article in Book | | 1949 |
| Introduction : James Eadie Todd as historian and teacher | Cronne, H. A.Moody, T. W. (Theodore William), 1907-1984Quinn, D. B. (David Beers) | Article in Book | | 1949 |
| Ireland : 'O what a tangled web...' : delegation, accountability and executive power | Mitchell, Paul | Article in Book | | 2003 |
| Ireland's civil war | Younger, Calton | Monograph or Collective Volume | Muller | 1968 |
| Ireland. Lord lieutenant general and governor general, standing orders and regulations for the army in Ireland (1794) | Anonymous | Monograph or Collective Volume | Muller | 1969 |
| Irish | Ó Baoill, Dónall P. | Article in Book | | 2010 |
| Irish church finances after the disestablishment | Shearman, Hugh | Article in Book | | 1949 |
| Irish-speaking society and the state | Ó hIfearnáin, Tadhg | Article in Book | | 2010 |
| Irland : die andere Insel | Müller-Ross, Friedrich | Monograph or Collective Volume | | 1939 |
| James Eadie Todd as historian and teacher | Cronne, H. A.,Moody, T.W. (Theodore William, 1907-1984),Quinn, D. B. (David Beers) | Article in Book | | 1949 |
| La légende de St Jean dans la tradition Irlandaise et le druid Mog Ruith | Müller-Lisowski, Käte | Article in Journal | | 1938 |
| Language and conflict in Northern Ireland and Canada : a silent war | Muller, Janet | Monograph or Collective Volume | Palgrave | 2010 |
| Language, culture and identity in Brittany: the sociolinguistics of Breton | Timm, Lenora A. | Article in Book | | 2010 |
| Mad with much heart : a life of the parents of Oscar Wilde | Lambert, Eric | Monograph or Collective Volume | Muller | 1967 |
| Manx | Broderick, George | Article in Book | | 2010 |
| Nicknames and namesakes reflecting old relationships between ancient Ireland and Iceland | Müller-Lisowski, Käte | Article in Journal | | 1952 |
| Old and Middle Welsh | Willis, David | Article in Book | | 2010 |
| Richard fitzRalph, archbishop of Armagh, and the doctrine of dominion | Betts, R. R. | Article in Book | | 1949 |
| Scoti Peregrini in Sankt Jakob : 800 Jahre Irisch-Schottische Kultur in Regensburg | | Monograph or Collective Volume | Verlag Schnell & Steiner | 2005 |
| Scottish and Irish Entrepreneurs in Eighteenth-Century Sweden | Müller, Leos, 1962- | Article in Book | | 2007 |
| Scottish Gaelic | Gillies, William | Article in Book | | 2010 |
| Scottish Gaelic today: social history and contemporary status | MacKinnon, Ken | Article in Book | | 2010 |
| Sharman Crawford's federal scheme for Ireland | Kennedy, B. A. | Article in Book | | 1949 |
| Swift as an ecclesiastical statesman | Beckett, J. C. (James Camlin) | Article in Book | | 1949 |
| The Celtic horror vacui and its demise on the Continent. An essay on La Tene fibula | Luscher, GenevieveMuller, Felix | Article in Book | | 2009 |
| The Celtic Languages | | Monograph or Collective Volume | Routledge | 2009 |
| The conflict between Flood and Grattan, 1782-3 | O'Connor, Theresa M. | Article in Book | | 1949 |
| The eighteenth-century estate agent | Hughes, Edward | Article in Book | | 1949 |
| The emergence of the Celtic languages | Eska, Joseph F. | Article in Book | | 2010 |
| The Irish Mermaid: Man’s alliance to Woman, Nature, and Death in a Peasant culture | Muller, Sylvie | Article in Book | | 2017 |
| The Irish viceroyalty, 1760-73 | McCracken, J. L. | Article in Book | | 1949 |
| The Irish wren tales and ritual - To pay or not to pay the debt of nature | Muller, Sylvie | Article in Journal | | 1996 |
| The new departure in Irish politics, 1878-9 | Moody, T. W. (Theodore William), 1907-1984 | Article in Book | | 1949 |
| The recruitment and organisation of the Scottish army in Ulster, 1642-9 | Hazlett, Hugh | Article in Book | | 1949 |
| The revived languages – Cornish and Manx | Broderick, GeorgeGeorge, Ken | Article in Book | | 2010 |
| The search for peace in Ireland | Addison, Paul | Article in Book | | 1997 |
| The sociolinguistic context of Welsh | Jones, Robert OwenWilliams, Colin H. | Article in Book | | 2010 |
| The trials of the Huguenots in Europe, the United States, South Africa and Canada | Reaman, G. Elmore | Monograph or Collective Volume | Muller | 1964 |
| The Vikings in Britain | Wilson, David Mackenzie, Sir | Article in Book | | 1994 |
| Trees of the British Isles in history and legend | Wilkes, J. H. | Monograph or Collective Volume | Muller | 1972 |
| Two early medieval monasteries | Horn, Walter | Article in Book | | 1973 |
| Typological aspects of the Celtic languages | Fife, James | Article in Book | | 2010 |
| Ulidia: proceedings of the First International Conference on the Ulster cycle of tales, Belfast and Emain Macha, 8-12 April 1994 | | Monograph or Collective Volume | December Publications | 1994 |
| Welsh | Awbery, Gwenllian | Article in Book | | 2010 |
| Where does the Irish Language stand? | Muller, Janet | Article in Book | Gael Linn | 2015 |
| Zu den Anfängen der hagiographischen Kritik | Müller, Iso | Article in Journal | | 1950 |
| Zum geistigne Einfluss der kolumbanischen Bewegung im mittleren Europa | Müller, Iso | Article in Journal | | 1965 |
| Zur rätisch-alemannischen Kirchengeschichte des 8. Jahrhunderts | Muller, L. | Article in Journal | | 1952 |