| Elizabethan Ireland | Morton, Grenfell | Monograph or Collective Volume | Longman | 1971 |
| Henderson Wightman, R. N. 1810-16 | Morton, Grenfell | Article in Journal | | 1980 |
| Home rule and the Irish question | Morton, Grenfell | Monograph or Collective Volume | Longman | 1980 |
| Railways in Ulster : historic photographs of the age of steam | Morton, Grenfell | Monograph or Collective Volume | Friar's Bush | 1989 |
| The war of 1812 through Irish eyes | Morton, Grenfell | Article in Journal | | 1980 |
| Two Ulster Businessmen's views of the American civil war | Morton, Grenfell | Article in Journal | | 1975 |
| Ulster emigrants to Australia, 1850-1890 | Morton, Grenfell | Article in Journal | | 1972 |