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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Ussher, R.J. | 1906 | Remains of hawfinch in Co. Clare caves | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1906 | The Iceland falcon - a correction | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1907 | Rough-legged buzzard in Co. Cork | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1907 | Pomatorhine skuas, great shearwaters, fulmars and scoters off the west coast | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1907 | Birds seen off the SW coast | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1907 | Movement of birds during snow | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1908 | Morning flight of black-headed gulls | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1908 | Great shearwaters and fulmars | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1909 | Black redstarts in Co. Waterford | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1909 | Birds seen from the 'Helga' off the south-west coast | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1909 | Some unrecorded birds of prey | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1909 | Nests of land-birds in holes on marine islands | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1909 | A snowy owl - a correction | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1909 | Turtle doves in Co. Waterford | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1909 | The use of domed nests | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1910 | Jays in Ulster | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1910 | Irish Field Club Union: Rosapenna Conference. Birds | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1910 | Temminck's stint | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1910 | Late swallows | Journal | Ir. Nat. | Details... |
| Ussher, R.J. | 1911 | Black redstart in Co Waterford | Journal | Ir. Nat. | Details... |
2846 references found.