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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Johnson, W.F. | 1902 | Autumn Lepidoptera at Poyntzpass | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1902 | The siskin near Poyntzpass | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1903 | Dark variety of Hydroecia micacea at Poyntzpass | Journal | Ent. Monthly Mag. | Details... |
| Praeger, R.Ll. | 1904 | Additions to 'Irish Topographical Botany' in 1903 | Journal | Ir. Nat. | Details... |
| Belfast Naturalists' Field Club | 1905 | Belfast Naturalists' Field Club | Journal | Ir. Nat. | Details... |
| Belfast Naturalists' Field Club | 1905 | Summer Session: excursion to Church Hill, County Armagh | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Johnson, W.F. | 1905 | Lepisma saccharina at Portadown and Poyntzpass | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1905 | Phyllodromia germanica at Poyntzpass | Journal | Ir. Nat. | Details... |
| Lett, H.W. | 1905 | Notes on some hepatics of Ulster | Journal | Ir. Nat. | Details... |
| Belfast Naturalists' Field Club | 1906 | Belfast Naturalists' Field Club | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1906 | Pied blackbirds near Poyntzpass | Journal | Ir. Nat. | Details... |
| McEndoo, W. | 1906 | Quail in Co. Armagh | Journal | Ir. Nat. | Details... |
| Milligan, A. | 1906 | Report of the Botanical Section | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Praeger, R.Ll. | 1906 | Additions to 'Irish Topographical Botany' | Journal | Ir. Nat. | Details... |
| Belfast Naturalists' Field Club | 1907 | Summer Session: Tandragee | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Tomlinson, W.J.C. | 1908 | Local botanical field-work in 1907 | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Anon. | 1909 | Water beetles at Armagh | Journal | Ir. Nat. | Details... |
| Davies, J.H. | 1909 | Barbula hornschchiana in Counties Down and Armagh | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1909 | Cichorium intybus and Mimulus guttatus in Co. Armagh | Journal | Ir. Nat. | Details... |
| Belfast Naturalists' Field Club | 1910 | Belfast Naturalists' Field Club | Journal | Ir. Nat. | Details... |
279 references found.