3901.
Proceedings of the Royal Irish Academy: section C–archaeology, Celtic studies, history 91 (1991)
Royal Irish Academy
3902.
Breen (Aidan): Iohannes Scottus, Periphyseon: the problems of an edition.
In PRIA-C 91 (1991), pp. 21–40.

3903.
Ó Maolfabhail (Art): Éadbhard Ó Raghallaigh, Seán Ó Donnabháin agus an tSuirbhéireacht Ordanáis 1830-4.
In PRIA-C 91 (1991), pp. 73–103.

3904.
Ó Riain (Pádraig): The Shrine of the Stowe Missal, redated.
In PRIA-C 91 (1991), pp. 285–295.