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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Nunn, J.D. | 1994 | The marine Mollusca of Ireland 1. Strangford Lough, Co. Down | Journal | Bull. Ir. biogeog. Soc. | Details... |
| Nunn, J.D. | 2000 | Presidential Excursion: Ards Peninsula | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Nunn, J.D. | 2001 | Excursion: Quoile Countryside Centre, Downpatrick | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Nunn, J.D. & McGrath, D. | 1989 | Rissoella globularis (Jeffries) (Mollusca: Gastropoda) in Ireland | Journal | Ir. Nat. J. | Details... |
| O'Connor, J.P. | 2004 | Records of some rare Irish pimplines (Hymenoptera: Ichneumonidae) | Journal | Ir. Nat. J. | Details... |
| O'Connor, R.J., Seed, R. & Boaden, P.J.S. | 1980 | Resource partitioning by the Bryozoa of a Fucus serratus L. community | Journal | Cah. Biol. Mar. | Details... |
| O'Farrell, A.F. | 1943 | The striped hawk-moth, Celerio lineata livornica Esp., in County Down | Journal | Ir. Nat. J. | Details... |
| O'Neil, S. | 1990 | Soil profile development at Murlough sand spit, Co. Down | Unpublished | | Details... |
| Orford, J.D. | 1981 | Some problems generated by the available interpretation the origin and structure of Murlough Spit, Dundrum Bay. Murlough National Nature Reserve Scientific Report | Report | | Details... |
| Orr, H.L. | 1909 | Hymenoptera from County Antrim and Down | Journal | Ir. Nat. | Details... |
| Pack-Beresford, D.R. | 1907 | Cyclisticus convexus in County Down | Journal | Ir. Nat. | Details... |
| Parker, R.E. | 1967 | Araneus quadratus Clerck in Co. Down | Journal | Ir. Nat. J. | Details... |
| Patrickson, S. | 1833 | A descriptive list of the dykes appearing on the shore which skirts the Mourne Mountains, and numbered from Thomas' Mountain near Warren Point | Journal | J. Geol. Soc. Dubl. | Details... |
| Patterson, E.M. | 1941 | Caledonian and Tertiary dykes in County Down | Journal | Ir. Nat. J. | Details... |
| Patterson, E.M. | 1943 | Late-stage veins in the cone-sheet of Bloody Bridge, Mourne Mountains | Journal | Ir. Nat. J. | Details... |
| Patterson, E.M. | 1943 | Age relationships in a Mourne granite quarry | Journal | Ir. Nat. J. | Details... |
| Patterson, E.M. | 1944 | Examination of a dyke of microdiorite occurring in biotite-hornfels at Altnadua Mountain, Castlewellan, Co. Down | Journal | Ir. Nat. J. | Details... |
| Patterson, E.M. | 1950 | Waxwings in Co. Down | Journal | Ir. Nat. J. | Details... |
| Patterson, E.M. | 1951 | Notes on three Tertiary Dolerites from counties Down and Antrim | Journal | Ir. Nat. J. | Details... |
| Patterson, E.M. | 1953 | Petrochemical data for some acid intrusive rocks from the Mourne Mountains and Slieve Gullion | Journal | Proc. Roy. Ir. Acad. | Details... |
1178 references found.