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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Colhoun, E.A. | 1968 | The glacial geomorphlogy of the Sperrin Mountains and adjacent areas in Co. Tyrone, Co. Londonderry and Co. Donegal, Northern Ireland | Ph.D. Thesis | | Details... |
| Fitzgerald, J.W. | 1968 | Review: 'A preliminary survey of the Magilligan area' by R.N.F.C. | Journal | Ir. Nat. J. | Details... |
| Fitzgerald, J.W. & Fitzgerald, R.D. | 1968 | Bryophyte additions to a Flora of the North-east of Ireland | Journal | Ir. Nat. J. | Details... |
| Greaves, J.W. | 1968 | A second sturgeon, Acipenser sturio landed at Ardglass, 1966 | Journal | Ir. Nat. J. | Details... |
| Heal, H.G. | 1968 | The conservation of butterflies in Northern Ireland's forests | Journal | Forester | Details... |
| Knox, A. | 1968 | Stevensite from Co. Down | Journal | Ir. Nat. J. | Details... |
| Mercer, J.P. | 1968 | Roach, Rutilus rutilus, L. - a new record from Co. Fermanagh | Journal | Ir. Nat. J. | Details... |
| Nesbitt, L. | 1968 | The heron count in counties Armagh and East Tyrone 1964-1966 | Journal | Ir. Nat. J. | Details... |
| Nesbitt, L. | 1968 | Review: 'Copeland Bird Observatory Report, 1966' | Journal | Ir. Nat. J. | Details... |
| Prior, D.B., Stephens, N. & Archer, D.R. | 1968 | Composite mudflows on the Antrim coast of northeast Ireland | Journal | Geogr. Ann. | Details... |
| Wolfe, M.J. | 1968 | Lithification of a carbonate mud: Senonian chalk in Northern Ireland | Journal | Sed. Geol. | Details... |
| Bazley, R.A. | 1969 | A discovery of galena near Feeny, Co. Londonderry | Journal | Ir. Nat. J. | Details... |
| Cameron, I.B. & Sabine, P.A. | 1969 | The Tertiary welded-tuff vent agglomerate and associated rocks at Sandy Braes, Co. Antrim. Report no. 69/6 | Report | | Details... |
| Doughty, P.S. | 1969 | Equine teeth from the stratified deposits of the Curran, Larne | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1969 | Ring-necked ducks, Aythya collaris, in County Armagh | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1969 | Baikal teal, Anas formosa in Co. Fermanagh | Journal | Ir. Nat. J. | Details... |
| Fairley, J.S. | 1969 | Destruction of foxes in Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Fairley, J.S. | 1969 | Some field observations on the fox in Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Fairley, J.S. | 1969 | A critical examination of the Northern Ireland fox-bounty figures | Journal | Ir. Nat. J. | Details... |
| Fenton, A.F. | 1969 | The lichens of Northern Ireland | Journal | Ir. Nat. J. | Details... |
3701 references found.