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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Beesley, S. | 1989 | The Sections: Botanical | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Beesley, S. | 1989 | Excursion: Hazelwood | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Belfast Naturalists' Field Club | 1989 | The Presidential Excursion: Murlough Bay, Co. Antrim | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Carter, R.W.G. | 1989 | Coastal environments: an introduction to the physical, ecological and cultural systems of coastlines | Book | | Details... |
| Honneyman, D.J. | 1989 | Excursion: Ballymena, Cullybackey and district | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Ledsham, D. | 1989 | Excursion: Garron Plateau | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Lyle, P. & Patton, D.J.S. | 1989 | The petrography and geochemistry of the Upper Basalt Formation of the Antrim Lava Group in north-east Ireland | Journal | Ir. J. Earth Sci. | Details... |
| O'Dare, A.M. | 1989 | Lichen survey of Murlough Bay and Fair Head, Ballycastle, Co. Antrim, N.I. | Report | | Details... |
| Rippey, I. | 1989 | Excursion: Garron Plateau | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Twist, S. | 1989 | Excursion: Belshaw's Quarry | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Wilde, J. | 1989 | Aberrant dactylorchid in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Wilde, J. | 1989 | Excursion: Crumlin Glen | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Wilde, J. | 1989 | Excursion: Woodburn Glen | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Allen, D., Cryer, R. & Gray, M. | 1990 | The macro-moths (Lepidoptera) of Rathlin Island, Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Beesley, S. | 1990 | The Sections: Botanical | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Carter, R.W.G. | 1990 | Ballintoy - Boheeshane Bay | Chapter | | Details... |
| Clarke, R.S.J. | 1990 | Excursion: Dunmurry | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Cobham Resource Consultants for BCC | 1990 | Feasibility study on the future economic development of Cavehill Country Park | Unpublished | | Details... |
| Mallory, J.P. | 1990 | Trial excavations at Tievebulliagh, Co. Antrim | Journal | Ulst. J. Archaeol. | Details... |
| Picton, B.E. | 1990 | The sublittoral communities of Rathlin Island, Northern Ireland | Journal | PMNHS Newsletter | Details... |
1259 references found.