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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Welch, R.J. | 1913 | Adders and toads introduced into Co. Down | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1914 | Estuarine clay section at Holywood | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1922 | Trichoniscus roseus at Belfast | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1922 | The brown lizard, Lacerta vivipara, at Whitehead | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1924 | Great shoals of fish near Glenarm, Co. Antrim | Journal | Ir. Nat. | Details... |
| Welch, R.J. | 1925 | Succinea oblonga in Co. Fermanagh | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1926 | Herring spawning ground in County Down | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1926 | Wild swans on Lough Erne and Strangford Lough | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1926 | New locality for Clausilia laminata Mont., Co. Fermanagh | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1926 | Paludestrina jenkinsi Smith, at Antrim | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1926 | Paludestrina jenkinsi in Lower Lough Erne | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1927 | Sprat shoals on Down coast | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1927 | Paludestrina jenkinsi in Lough Neagh | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1927 | Alga new to Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1928 | Indurated Liassic beds at Portrush: a national monument in danger | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1928 | Clausilia laminata at Castlecaldwell | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1929 | The 'Giant's Grave', mouth of the Roe, County Londonderry | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1929 | Pyramidula rupestris (Drap.) on Antrim coast | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1929 | Mosses in central Belfast | Journal | Ir. Nat. J. | Details... |
| Welch, R.J. | 1929 | Porpoises and seals in Strangford Lough | Journal | Ir. Nat. J. | Details... |
3701 references found.