| Duanaire Dháibhidh Uí Bhruadair: the poems of David Ó Bruadair. Part II containing poems from the year 1667 till 1682 | Mac Erlean, John | Monograph or Collective Volume | London | 1913 |
| Duanaire Dháibhidh Uí Bhruadair: the poems of David Ó Bruadair. Part III. Containing poems from the year 1682 till the poet's death in 1698. | Mac Erlean, John C. | Monograph or Collective Volume | Irish Texts Society | 1917 |
| Synod of Ráth Breasail : boundaries of the dioceses of Ireland (A.D. 1110 or 1118) | Mac Erlean, John | Article in Journal | | 1914 |