Ulster Cycle
| Author(s) | Title | Reference | |
|---|---|---|---|
| Rachel Bromwich | Aspects of Celtic Literature. (Monograph No. I), by B. K. Martin, S. T. Knight | 41/1, p. 78 | |
| Michael Tierney | The Oldest Irish Tradition: A Window on the Iron Age, by Kenneth Hurlstone Jackson | 34/3, p. 234 |