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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| O'Connor, J.P. | 2004 | Records of some rare Irish pimplines (Hymenoptera: Ichneumonidae) | Journal | Ir. Nat. J. | Details... |
| Paterson, T.G.F. | 1936 | Convolvulus hawk-moth in Co. Armagh | Journal | Ir. Nat. J. | Details... |
| Paterson, T.G.F. | 1945 | Bittern in Co. Armagh | Journal | Ir. Nat. J. | Details... |
| Paterson, T.G.F. | 1958 | The hoopoe, Upupa epops, in Co. Armagh | 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... |
| Penney, S. | 1949 | Black-tailed godwits in Co. Armagh | Journal | Ir. Nat. J. | Details... |
| Peters, J.V. | 1957 | Birds observed at Annagh and Brackagh Mosses, Co. Armagh | Journal | Ir. Nat. J. | Details... |
| Phillips, J.C.L. | 1992 | Excursion: Oxford Island | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Pilcher, J.R. & Dring, M.J. | 1987 | Report on student investigations at The Argory | Report | | Details... |
| Pilcher, J.R. & Smith, A.G. | 1972 | Pollen analysis and radiocarbon dating of deposits at Slieve Gullion passage grave, Co. Armagh | Journal | Ulst. J. Archaeol. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | The flora of County Armagh | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1893 | Colour-variation in wild flowers. | Journal | Ir. Nat. | Details... |
279 references found.