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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Hillis, J.P. | 1975 | New locations for the purple hairstreak Quercusia quercus (L.) and small blue Cupido minimus Fuessly butterflies | Journal | Ir. Nat. J. | Details... |
| Hillis, J.P. | 1976 | Proposed expedition to search for the small mountain ringlet butterfly Erebia epiphron Knoch. | Journal | Ir. Nat. J. | Details... |
| Hind, N.S. | 1893 | Pieris daplidice L., in Ireland | Journal | Ir. Nat. | Details... |
| Irwin, A.G. | 1969 | Nymphalis antiopa L. (Camberwell beauty) in Northern Ireland | Journal | Entomol. Rec. J. Var. | Details... |
| Johnson, W.F. | 1892 | Vanessa cardui at Armagh | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1893 | Early spring butterflies | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1898 | Early Pararge megaera in Co. Tipperary | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1900 | Irish butterflies | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Johnson, W.F. | 1901 | Vanessa io in Ulster | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1901 | Vanessa c-album in Ireland | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1901 | Vanessa io, L., in Ireland | Journal | Ent. Monthly Mag. | Details... |
| Johnson, W.F. | 1902 | Late appearance of Vanessa io | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1902 | Early appearance of Vanessa io | 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... |
| Johnson, W.F. | 1920 | Scarcity of the small tortoiseshell butterfly | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1920 | A late Zygaena | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1920 | Argynnis aglaia at Poyntzpass | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1921 | The distribution of Argynnis aglaia in Ireland | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1921 | Abundance of red admiral butterflies | Journal | Ir. Nat. | Details... |
385 references found.