| 'The Church-Going Bell': a sermon preached in the Parish church of S. Patrick, Coleraine, at the dedication of a memorial peal of bells on Easter Day, April 2, 1893 | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | W. & G. Baird [Printer] | 1893 |
| A calendar of the Liber Niger and Liber Albus of Christ Church, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1908 |
| A calendar of the register of Archbishop Fleming | | Article in Journal | | 1912 |
| A calendar of the register of Archbishop Sweteman | | Article in Journal | | 1911 |
| Booter Park | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1931 |
| Booter Park | Lawlor, H. J. | Article in Journal | | 1931 |
| Calendar of the Liber Ruber of the diocese of Ossory | | Article in Journal | | 1908 |
| Chapters on the Book of Mulling | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | Douglas | 1897 |
| Derry Cathedral : a book of the bells : service of dedication, July 25th, at 6.30p.m.: the story of the bells 1614-1929 | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1917 |
| Diary of William King, D.D., archbishop of Dublin, during his imprisonment in Dublin castle | | Article in Journal | | 1904 |
| Foundation of St. Mary's Abbey, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1926 |
| Fragments of a lost register of the diocese of Clogher | | Article in Journal | | 1916 |
| Note of the register of Archbishop Alen | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1907 |
| Note on the church of St. Michan, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1926 |
| Notes on St. Bernard's Life of St. Malachy and his two sermons on the passing of St. Malachy | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1919 |
| St. Bernard of Clairvaux's Life of St. Malachy of Armagh | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1920 |
| The Cathach of St Columba | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1916 |
| The chapel of Dublin Castle | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1923 |
| The deaneries of St. Patrick's | Lawlor, H. J. | Article in Journal | | 1932 |
| The Fasti of St. Patrick's, Dublin. | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1930 |
| The form and manner of making a dean and other forms used in the Cathedral and Collegiate Church of St. Patrick, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | Ponsonby & Gibbs at the University Press | 1912 |
| The genesis of the diocese of Clogher | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1917 |
| The genesis of the dioceses of Derry and Raphoe | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1917 |
| The martyrology of Tallaght | | Monograph or Collective Volume | | 1931 |
| The monuments of the pre-reformation archbishops of Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1917 |
| The monuments of the pre-Reformation archbishops of Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Book | | 1990 |
| The Reformation and the Irish episcopate. | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1932 |
| The register of Provost Winter (Trinity College Dublin), 1650-1660 | | Article in Journal | Parish Register Society of Dublin | 1907 |
| The Rosslyn missal : an Irish manuscript in the Advocates' Library, Edinburgh | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | [s.n.] | 1899 |