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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Twist, R.S. | 1992 | Presidential excursion: Silent Valley | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Twist, R.S. | 1994 | Excursion: Fermanagh weekend: geology | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Twist, S. | 1989 | Excursion: Belshaw's Quarry | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Twomey, E. | 1956 | Pollan of Lough Erne | Journal | Ir. Nat. J. | Details... |
| Tyrie, C.R. | 1973 | List of destroyed herbarium specimens of weed spp. from Stelfox's garden | Unpublished | | Details... |
| Ulster Wildlife Trust | 1986 | Argory Mosses Draft Management Plan | Unpublished | | Details... |
| Ulster Wildlife Trust | 1987 | Ecological survey of the Belfast Castle Estate | Report | | Details... |
| Ulster Wildlife Trust | 1988 | A strategy for the development of the Union Locks, Lisburn | Published | | Details... |
| Ulster Wildlife Trust | 1988 | Proposals to enhance wildlife and amenity potential in Laganside. Report to the D.o.E. (N.I.) | Report | | Details... |
| Ulster Wildlife Trust | 1991 | Laganlife - consultancy report on the development of Laganside | Report | | Details... |
| Ulster Wildlife Trust | Unknown | Argory Mosses Nature Reserve files | Unpublished | | Details... |
| Ulster Wildlife Trust | Unknown | Ballydyan Nature Reserve files | Unpublished | | Details... |
| Ulster Wildlife Trust | Unknown | Blessingbourne Nature Reserve files | Unpublished | | Details... |
| Ulster Wildlife Trust | Unknown | Cottage Farm Nature Reserve files | Unpublished | | Details... |
| Ulster Wildlife Trust | Unknown | Creighton's Wood Nature Reserve files | Unpublished | | Details... |
| Ussher, R.J. | 1892 | Supposed eggs of sheldrake (Tadorna cornuta) from Lough Erne | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1893 | Crossbills (Loxia curvirostra) breeding in Co. Armagh | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1894 | Redstart (Ruticilla phoenicurus), breeding in Co. Tyrone | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1895 | An ornithological exploration in Donegal, Fermanagh, Sligo and Roscommon | Journal | Ir. Nat. | Details... |
| Vernon, P. | 1965 | Implications of foreign or erratic stones on Slieve Donard, Mourne Mountains | Journal | Ir. Nat. J. | Details... |
3701 references found.