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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Brown, D.M. | 1991 | Studies on Pinus sylvestris L. from Garry Bog, Co. Antrim | M.Sc. Thesis | | Details... |
| Carter, A. | 1991 | Excursion: North Antrim Weekend | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Carter, A.B. | 1991 | Excursion: Tour of Downpatrick | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Carter, R.W.G. | 1991 | Shifting sands: a study of the coast of Northern Ireland from Magilligan to Larne | Book | | Details... |
| Clarke, R.S.J. | 1991 | Excursion: North Antrim Weekend: archaeological | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Clarke, R.S.J. | 1991 | Excursion: The Giant's Ring, Ballylesson | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Clarke, R.S.J. | 1991 | Excursion: Lecale | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Department of the Environment for Northern Ireland | 1991 | Strangford Lough - a consultation paper | Report | | Details... |
| Fogg, P. | 1991 | County Antrim | Journal | Caves Caving | Details... |
| Fuller, I.A., Telfer, T.C., Moore, C.G. & Wilkinson, M. | 1991 | The use of multivariate analytical techniques in conservation assessment of rocky seashores | Journal | Aquatic Cons.: Marine and Freshwater Ecosystems | Details... |
| Gibson, C.E. | 1991 | Contributions to the regional limnology of Northern Ireland: (4) the lakes of Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Hackney, P. | 1991 | Sea couch Elymus pycnanthus (Gordon) Melderis in Cos. Down and Antrim (H38,39) | Journal | Ir. Nat. J. | Details... |
| Hamond, F. | 1991 | Antrim coast and glens: industrial heritage | Published | | Details... |
| Hill, A. | 1991 | Excursion: Tillysburn | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Hill, A. | 1991 | Excursion: Giant's Ring - archaeological dig | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Hill, A. | 1991 | Excursion: Sallagh Braes, Carncastle, Co. Antrim | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Laganside Corporation | 1991 | Laganlife | Brochure | | Details... |
| Leah, R.T., Evans, S.J., Johnson, M.S. & Collings, S. | 1991 | Spatial patterns in accumulation of mercury by fish from the NE Irish Sea | Journal | Mar. Poll. Bull. | Details... |
| Lott, D.A. | 1991 | Report on non-aquatic Coleoptera collected in Northern Ireland, June 1991 | Report | | Details... |
| McFerran, D.M. | 1991 | The impact of grazing and burning on upland plant and invertebrate communities in Co. Antrim | Ph.D. Thesis | | Details... |
3701 references found.