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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Greer, T. | 1930 | Vanessa io in east Tyrone | Journal | Ent. | Details... |
| McCausland, M.M. | 1930 | Floods in Londonderry and Tyrone | Journal | Ir. Nat. J. | Details... |
| Belfast Naturalists' Field Club | 1931 | Summer Session: Cookstown District | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Greer, T. | 1931 | Bee orchis in Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Greer, T. | 1931 | Abundance of the larva of Macrothylacia rubi L., in Co. Tyrone | Journal | Entomol. Rec. J. Var. | Details... |
| Lawlor, H.C. | 1931 | Carved upright stone near the south face of Clogher Cathedral tower, Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Belfast Naturalists' Field Club | 1932 | Summer Session: Greencastle, Co. Tyrone | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Fisher, N. & Lepper, R.S. | 1932 | Report of the Recording Secretaries | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Hartley, J.J. | 1932 | A sketch of the geology of north-west Tyrone | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Belfast Naturalists' Field Club | 1933 | Summer Session: Lough Fea and Creggan | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Greer, T. | 1933 | Petroselinum sativum Hoffm. in Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Greer, T. | 1933 | Colias croceus in east Tyrone | Journal | Ent. | Details... |
| Greer, T. | 1933 | Notes from east Tyrone | Journal | Entomol. Rec. J. Var. | Details... |
| Hartley, J.J. | 1933 | The geology of north-eastern Tyrone and the adjacent parts of county Londonderry | Journal | Proc. Roy. Ir. Acad. | Details... |
| Greer, T. | 1934 | Lacewing fly, Osmylus chrysops Fab. (maculatus L.), in East Tyrone | Journal | Ir. Nat. J. | Details... |
| Greer, T. | 1934 | Euclidea glyphica in Co. Tyrone | Journal | Ent. | Details... |
| Belfast Naturalists' Field Club | 1935 | Summer Session: Baronscourt | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Belfast Naturalists' Field Club | 1935 | Summer Session: Benburb | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Greer, T. | 1935 | Musk mimulus, Mimulus moschatus Douglas, in Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Greer, T. | 1935 | Migrants in east Tyrone in 1933-34 | Journal | Ent. | Details... |
279 references found.