| Clogher cathedral graveyard | Johnston, J. I. D. | Monograph or Collective Volume | Graham | 1972 |
| English settlement in county Fermanagh 1610-40 | Johnston, J. | Article in Journal | | 1979 |
| Life and letters of Henry Parry Liddon : canon of St. Paul's cathedral, and sometime Ireland Professor of Exegesis in the University of Oxford. With a concluding chapter by the lord bishop of Oxford | Johnston, J. O. | Monograph or Collective Volume | | 1904 |
| Settlement and architecture in county Fermanagh, 1610-41 | Johnston, J. D. | Article in Journal | | 1981 |
| Settlement on a plantation estate : the Balfour rentals of 1632 and 1636 | Johnston, J. | Article in Journal | | 1985 |
| Settlement patterns in county Fermanagh, 1610-1660 | Johnston, J. | Article in Journal | | 1980 |
| The Scotch settlement of County Fermanagh, 1610-1630 | Johnston, J. I. D. | Article in Journal | | 1978 |