| Origin | Irrelevant (None) |
|---|---|
| Genre | Sacramentary (Mass) |
| Age | 1408-1411 |
| Shelfmark of library | Roy. Irish Acad. Dublin, Ms. 23 P 16 |
| Edition | Leabhar Breac .... Lithograph facsimile by J. O’Longan, J.J. Gilbert (ed.) (Dublin, 1876) |
| Remark | Leabhar Breac or Speckled Book (1); Containing a very large collection of ecclesiastical and religious pieces in Irish. The contents are not as a rule of a liturgical character, but the book contains a variant of the Irish tract of the Mass which is also in the Stowe Missal. |