| A preliminary survey of the ancient monuments of Northern Ireland | | Monograph or Collective Volume | The Stationery Office | 1940 |
| A wedding, a family feud, a long costly lawsuit - and tragedy. Transcribed from the 'Belfast Telegraph', Monday 4 November 1940 | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 2000 |
| An ancient route, the Slighe Miodhluachra in Ulaidh | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1938 |
| Degen of Kilconriola | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1938 |
| Diocesan anomalies (the diocese of Connor) | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1939 |
| Downpatrick castle : a conjectural restoration | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1938 |
| Dunluce and its owners prior to the Norman invasion | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1936 |
| Killyleagh castle, Co. Down | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1939 |
| Mote and mote-and-bailey castles in de Courcy's principality of Ulster | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1939 |
| Mote, moat, or motte | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1939 |
| Rise of the linen merchants in the eighteenth century | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1941 |
| The chapel of the ford, Belfast | Cassidy, WilliamLawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1945 |
| The genesis of the linen thread trade | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1943 |
| The identification of the castle of Magh Cobha, Co. Down | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1938 |
| The monastery of Saint Mochaoi of Nendrum | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Monograph or Collective Volume | The Belfast Natural History and Philosophical society | 1925 |
| The vassals of the earls of Ulster | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1941 |