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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Simms, M. | 2000 | Lichens in Castlewellan Park Arboretum, Co. Down | Unpublished | | Details... |
| Simms, M.J. | 1998 | A Mediterranean lichen Parmelia soredians Nylander and other species from Lighthouse Island, Co. Down | Journal | Ir. Nat. J. | Details... |
| Sinclair, J.I. | 1963 | Nesting of tree sparrows at St. John's Point, Co. Down | Journal | Ir. Nat. J. | Details... |
| Singh, G. | 1970 | Late glacial vegetational history of Lecale, Co. Down | Journal | Proc. Roy. Ir. Acad. | Details... |
| Singh, G. & Smith, A.G. | 1973 | Post-glacial vegetational history and relative land and sea-level changes in Lecale, Co. Down | Journal | Proc. Roy. Ir. Acad. | Details... |
| Sinton, J.A. & Deane, C.D. | 1949 | Carrion crow in Strangford Lough | Journal | Ir. Nat. J. | Details... |
| Skillen, J. | 1928 | Defence of Kilclief Castle | Journal | Ir. Nat. J. | Details... |
| Skillen, J. | 1928 | Kilclief Castle | Journal | Ir. Nat. J. | Details... |
| Slater, D. | 1970 | On an alleged occurrence of the mineral Stevensite at South Rock, Co. Down | Journal | Ir. Nat. J. | Details... |
| Small, J. | 1926 | Bee orchis in Co. Down | Journal | Ir. Nat. J. | Details... |
| Smith, R.A., Johnston, T.P. & Legg, I.C. | 1991 | Geology of the country around Newtownards | Book | | Details... |
| Smyth, W. | 1935 | Wood lark, Lullula A. arborea (L.), in Co. Down | Journal | Ir. Nat. J. | Details... |
| Snodden, L. & Roberts, D. | 1995 | Natural predation and commercial exploitation of mussels and cockles in Dundrum Bay, Northern Ireland | Journal | Proc. Roy. Ir. Acad. Biol.& Env. | Details... |
| Snodden, L.M. & Roberts, D. | 1997 | Reproductive patterns and tidal effects on spat settlement of Mytilus edulis populations in Dundrum Bay, Northern Ireland | Journal | J. Mar. Biol. Assoc. UK | Details... |
| Sollas, W.J. | 1890 | The occurrence of zinnwaldite in the granite of the Mourne Mountains | Journal | Proc. Roy. Ir. Acad. | Details... |
| Somerfield, P.J. & Jeal, F. | 1996 | The distribution of Halacaridae (Acari: Prostigmata) among macroalgae on sheltered rocky shores | Journal | J. Mar. Biol. Assoc. UK | Details... |
| Southward, A.J. & Crisp, D.J. | 1954 | The distribution of certain intertidal animals around the Irish coast | Journal | Proc. Roy. Ir. Acad. | Details... |
| Stelfox, A.W. | 1906 | Helicella zakarensis in Co. Down | Journal | Ir. Nat. | Details... |
| Stelfox, A.W. | 1911 | Hyalina rogersi introduced at Hillsborough | Journal | Ir. Nat. | Details... |
| Stelfox, A.W. | 1923 | Notes from Cos. Down and Armagh | Journal | Ir. Nat. | Details... |
1178 references found.