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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Roberts, J. | 1959 | Ribes alpinum on Cavehill, Belfast | Journal | Ir. Nat. J. | Details... |
| Roberts, J.C. | 1972 | A sand and silt boulder-bed at Moys, Co. Londonderry | Journal | Ir. Nat. J. | Details... |
| Roberts, J.C. | 1976 | The joint and fault patterns of the north coast of counties Antrim and Londonderry between Murlough Bay and Castlerock | Journal | Proc. Roy. Ir. Acad. | Details... |
| Robinson, G. | 1876 | On the birds of Lough Neagh | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Roch, R. | 1983 | Butterflies seen at Killard | Journal | Ann. Rept. Armagh Field Nat. Soc. | Details... |
| Roebuck, W.D. | 1884 | Limax maximus var. ferussaci in County Antrim | Journal | J. Conch. (Lond.) | Details... |
| Rogers, A.R. | 1959 | Pine marten, Martes martes (L.) in Co. Down woods | Journal | Ir. Nat. J. | Details... |
| Rogers, W.M. | 1901 | Some north-east Ireland Rubi | Journal | Ir. Nat. | Details... |
| Rohleder, H.P.T. | 1926 | A volcanic vent in the Whiterocks Quarry, Portrush, N. Ireland | Journal | Ir. Nat. J. | Details... |
| Rohleder, H.P.T. | 1926 | Is Carnmoney Hill a volcanic neck? | Journal | Ir. Nat. J. | Details... |
| Rohleder, H.P.T. | 1927 | Is Carnmoney Hill a volcanic neck? | Journal | Ir. Nat. J. | Details... |
| Rohleder, H.P.T. | 1928 | On the strange noises in the quarry at Rostrevor, County Down | Journal | Ir. Nat. J. | Details... |
| Rohleder, H.P.T. | 1929 | On the occurrence of an unusual type of Cretaceous rock, near Kinbane Head, County Antrim | Journal | Ir. Nat. J. | Details... |
| Rohleder, H.P.T. | 1929 | The so-called volcanic necks of Northern Ireland | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Rohleder, H.P.T. | 1929 | Further evidence for the contemporaneous age of the Mourne granite and the rhyolites of Tardree in Northern Ireland | Journal | Geol. Mag. | Details... |
| Rohleder, H.P.T. | 1937 | A tectonic analysis of the Mourne Granite Mass, Co. Down | Journal | Proc. Roy. Ir. Acad. | Details... |
| Roper, I.M. | 1929 | Some plants of North Ireland | Journal | Ir. Nat. J. | Details... |
| Rosell, R. | 2002 | Occurrence of river lamprey Lampetra fluviatilis (L.) from the River Lagan, Belfast, following construction of Denil salmon passes in weirs | Journal | Ir. Nat. J. | Details... |
| Rosell, R.S. | 1997 | The status of pollan Coregonus autumnalis pollan Thompson in Lough Erne, Northern Ireland | Journal | Proc. Roy. Ir. Acad. Biol.& Env. | Details... |
| Royal Society for Protection of Birds | 2001 | Northern Ireland Newsletter Spring 2001 | Published | | Details... |
3701 references found.