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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Ussher, R.J. | 1900 | Snow-goose in Ireland | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1900 | Call of the spotted crake | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1900 | The ruff in Ireland | Journal | Ir. Nat. | Details... |
| Warren, R. | 1900 | Bewick's swans in the Moy Estuary | Journal | Ir. Nat. | Details... |
| Warren, R. | 1900 | Rose-coloured pastor in Co. Mayo | Journal | Ir. Nat. | Details... |
| Warren, R. | 1900 | Golden plover and lapwings in the Moy estuary | Journal | Ir. Nat. | Details... |
| Warren, R. | 1900 | A visit to Lough Erne in search of the Sandwich Tern | Journal | Ir. Nat. | Details... |
| Williams, E. | 1900 | Montagu's harrier in Wicklow | Journal | Ir. Nat. | Details... |
| Williams, E. | 1900 | Ospreys in Ireland | Journal | Ir. Nat. | Details... |
| Williams, E. | 1900 | Rose-coloured pastor in Co. Mayo | Journal | Ir. Nat. | Details... |
| Wolfe, J.J. | 1900 | Crossbills nesting in south Cork | Journal | Ir. Nat. | Details... |
| Anon. | 1901 | Tawny owls in Co. Down | Journal | Ir. Nat. | Details... |
| Anon. | 1901 | The migration of birds | Journal | Ir. Nat. | Details... |
| Anon. | 1901 | Reported occurrence of the red-throated pipit in Ireland | Journal | Ir. Nat. | Details... |
| Anon. | 1901 | Rare Irish birds in the National Museum | Journal | Ir. Nat. | Details... |
| Barrett-Hamilton, G.E.H. | 1901 | Black-tailed godwit in Co. Wexford | Journal | Ir. Nat. | Details... |
| Barrington, R.M. | 1901 | A young cuckoo on migration | Journal | Ir. Nat. | Details... |
| Barrington, R.M. | 1901 | The migration of birds | Journal | Ir. Nat. | Details... |
| Belfast Naturalists' Field Club | 1901 | Belfast Naturalists' Field Club: Benderg Bay | Journal | Ir. Nat. | Details... |
| Belfast Naturalists' Field Club | 1901 | Belfast Naturalists' Field Club | Journal | Ir. Nat. | Details... |
2846 references found.