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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Johnson, W.F. | 1902 | Early appearance of Vanessa io | Journal | Ir. Nat. | Details... |
| Stawell, F. | 1902 | Gonepteryx rhamni in Co. Cork | Journal | Ir. Nat. | Details... |
| Anon. | 1903 | Varieties of Melitaea aurinia | Journal | Ir. Nat. | Details... |
| Kane, W.F. de Vismes | 1903 | Nisoniades tages in Co. Mayo | Journal | Ir. Nat. | Details... |
| Carpenter, G.H. | 1904 | Review: 'The butterflies of Switzerland and the Alps of central Europe' by G. Wheeler | Journal | Ir. Nat. | Details... |
| Hart, W.E. | 1905 | Notes on Thecla rubi | Journal | Ir. Nat. | Details... |
| Neale, F. | 1905 | Melitaea aurinia in Co. Kildare | Journal | Ir. Nat. | Details... |
| Carpenter, G.H. | 1907 | Review: 'A natural history of the British butterflies: their world-wide variation and geographical distribution' by J.W. Tutt | Journal | Ir. Nat. | Details... |
| Carpenter, G.H. | 1908 | Review: 'A natural history of the British butterflies: their worldwide variation and geographical distribution | Journal | Ir. Nat. | Details... |
| Bennis, E.H. | 1909 | Late abundance of Pyrameis atalanta | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1909 | A late butterfly | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1912 | An early butterfly | Journal | Ir. Nat. | Details... |
| Grosvenor, T.H.L. | 1913 | (Pieris napi) | Journal | Proc. Trans. S. Lond. Entomol. Nat. Hist. Soc. | Details... |
| Williams, A. | 1914 | Early butterflies at Killarney | Journal | Ir. Nat. | Details... |
| Coulter, G. | 1916 | Late appearance of Argynnis (Dryas) paphia | Journal | Ent. | Details... |
| Flemyng, W.W. | 1917 | Colias edusa near Tramore, Co. Waterford | Journal | Ir. Nat. | Details... |
| Hart, W.E. | 1917 | Habits of Vanessa io in Co. Donegal | Journal | Ir. Nat. | Details... |
| Wilson, J.S. | 1917 | Agriades bellargus in Ireland | Journal | Ent. | Details... |
| Moffat, C.B. | 1918 | Argynnis aglaia in north-west Wexford | Journal | Ir. Nat. | Details... |
| Rathborne, H.B. | 1918 | Gonepteryx rhamni in Co. Fermanagh | Journal | Ir. Nat. | Details... |
385 references found.