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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Greer, T. | 1922 | Abundance of Euchloe cardamines in east Tyrone, 1922, a record of gynandromorphs | Journal | Entomol. Rec. J. Var. | Details... |
| Greer, T. | 1923 | Aster lavis at Lough Neagh, Co. Tyrone | Journal | Ir. Nat. | Details... |
| Greer, T. | 1923 | Foxes in Co. Tyrone | Journal | Ir. Nat. | Details... |
| Greer, T. | 1923 | Aberrations of Rhopalocera in east Tyrone, 1922 | Journal | Entomol. Rec. J. Var. | Details... |
| Halbert, J.N. | 1923 | Review: 'The Macrolepidoptera of County Tyrone' by Greer (publ. in The Entomologist) | Journal | Ir. Nat. | Details... |
| Gregory, J.W. | 1925 | The Evishanoran esker, Tyrone | Journal | Geol. Mag. | Details... |
| Belfast Naturalists' Field Club | 1926 | Summer Session: Barons Court | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Bennett, S.A. | 1926 | Andromeda polifolia Linn. in County Tyrone | Journal | Ir. Nat. J. | Details... |
| British Bryological Society | 1926 | Census catalogue of British mosses | Book | | Details... |
| Charlesworth, J.K. | 1926 | The Evishanoran esker, Co. Tyrone | Journal | Geol. Mag. | Details... |
| Greer, T. | 1926 | Euchromia rufana, Scop., in east Tyrone | Journal | Ent. | Details... |
| Anon. | 1927 | The O'Neills of Tyrone | Journal | Ir. Nat. J. | Details... |
| Belfast Naturalists' Field Club | 1927 | Summer Session: Lough Fea | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Doherty, A. | 1927 | Convolvulus hawk-moth in County Tyrone | Journal | Ir. Nat. J. | Details... |
| Greer, T. | 1927 | Rhopalocera in east Tyrone, 1926 | Journal | Ent. | Details... |
| Belfast Naturalists' Field Club | 1928 | Summer Session: Charlemont, Moy and Benburb | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Belfast Naturalists' Field Club | 1928 | Summer Session: Knockmany and Clogher | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Welch, R.J. | 1928 | Clausilia laminata at Castlecaldwell | Journal | Ir. Nat. J. | Details... |
| British Bryological Society | 1930 | Census catalogue of British hepatics | Book | | Details... |
| Greer, T. | 1930 | New county Tyrone plants | Journal | Ir. Nat. J. | Details... |
279 references found.