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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Praeger, R.Ll. | 1896 | Veronica peregrina L. in Ireland | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1897 | Irish plants, collected chiefly in the province of Leinster in 1896 | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1903 | Additions to 'Irish Topographical Botany' in 1902 | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1904 | Additions to 'Irish Topographical Botany' in 1903 | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1905 | Additions to Irish Topographical Botany in 1904 | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1906 | Additions to 'Irish Topographical Botany' | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1913 | Additions to 'Irish Topographical Botany' in 1908-1912 | Journal | Ir. Nat. | Details... |
| Praeger, R.Ll. | 1914 | Spiranthes romanzoffiana in Co. Tyrone | Journal | Ir. Nat. | Details... |
| Preston, S.J. & Stone, R.E. | 1999 | Masterwort Peucedanum ostruthium (L.) Koch in Glenelly, Co. Tyrone (H36) | Journal | Ir. Nat. J. | Details... |
| Reed, F.R.C. | 1952 | Revision of certain Ordovician fossils from county Tyrone | Journal | Proc. Roy. Ir. Acad. | Details... |
| Rundle, C.C. | 1978 | Preliminary report on dating of samples from the Tyrone Igneous Complex, Northern Ireland. Institute of Geological Sciences Isotope Geology Unit Internal Report 78/3 | Report | | Details... |
| Rundle, C.C. | 1988 | Potassium-Argon ages for andesitic lavas from the Cappagh Quarry, Co. Tyrone, Northern Ireland. Natural Environment Research Council Scientific Services Isotope Geology Centre, Radiogenic Isotopes Section Internal Report RI/88/2 | Report | | Details... |
| Sheppard, R. | 2004 | Brown hares Lepus europaeus Pallas in NW Ireland | Journal | Ir. Nat. J. | Details... |
| Sheridan, D.J.R. | 1972 | Upper Old Red Sandstone and Lower Carboniferous of the Slieve Beagh Syncline and its setting in the northwest Carboniferous basin, Ireland | Journal | Spec. Pap. Geol. Surv. Ir. | Details... |
| Simon, J.B. | 1984 | Sedimentation and tectonic setting of the lower Old Red sandstone of the Fintona and Curlew Mountain districts | Journal | Ir. J. Earth Sci. | Details... |
| Simpson, I.M. | 1955 | The Lower Carboniferous stratigraphy of the Omagh Syncline, Northern Ireland | Journal | Quart. J. Geol. Soc. Lond. | Details... |
| Sinclair, W.F. | 1894 | Lepidoptera at Strabane | Journal | Ir. Nat. | Details... |
| Stendall, J.A.S. | 1936 | Storm petrel in Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Stendall, J.A.S. | 1936 | Irish jay in Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Stendall, J.A.S. | 1936 | Report of Hon. Recording Secretary | Journal | Proc. Belf. Nat. Fld. Club | Details... |
279 references found.