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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Carrothers, E.N. | 1940 | Early botanical record for Co. Londonderry | Journal | Ir. Nat. J. | Details... |
| Crashie, J. | 1940 | The Botanical Society of Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Evans, E.E. | 1940 | A wooden trough from Tyrone | Journal | Ir. Nat. J. | Details... |
| Evans, E.E. | 1940 | Lyle's Hill: a neolithic hill site | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Gillespie, G.W. | 1940 | Erysimum Mill. in Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Greer, T. | 1940 | Phalonia ciliella Hb. and its foodplant in east Tyrone | Journal | Ent. | Details... |
| Greer, T. | 1940 | Plusia bractea in east Tyrone | Journal | Ent. | Details... |
| Greer, T. | 1940 | The season in Co. Tyrone | Journal | Entomol. Rec. J. Var. | Details... |
| Herring, I.J. & May, A.McL. | 1940 | The gallery graves of Co. Londonderry | Journal | Ir. Nat. J. | Details... |
| MacLaughlin, J.H. | 1940 | Velvet scoter in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| MacLaughlin, J.H. | 1940 | Early little auks in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Malcomson, H.T. | 1940 | Quail nesting in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Malcomson, H.T. | 1940 | Whale off Co. Antrim coast | Journal | Ir. Nat. J. | Details... |
| McClintock, R.M. | 1940 | Black redstart in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Movius, H.L. | 1940 | Report on a stone age excavation at Rough Island, Strangford Lough | Journal | J. Roy. Soc. Antiquities of Ireland | Details... |
| Rankin, M.N. | 1940 | Iceland redshank and glaucous gull in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Rankin, M.N. & Rankin, D.H. | 1940 | Common gull breeding in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Stendall, J.A.S. | 1940 | Iceland gull in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Stendall, J.A.S. | 1940 | Lunar hornet clearwing moth in Co. Down | Journal | Ir. Nat. J. | Details... |
| Tomkeieff, S.I. | 1940 | The dolerite plugs of Tieveragh and Tievebulliagh near Cushendall, county Antrim with a note on buchite | Journal | Geol. Mag. | Details... |
3701 references found.