The Christianization of Northumbria and Saints Wilfrid and Cuthbert
[w:] L. P. Słupecki, J. Morawiec. Between Paganism and Christianity in the North. Rzeszów: UR, ss. 179-189.
[w:] L. P. Słupecki, J. Morawiec. Between Paganism and Christianity in the North. Rzeszów: UR, ss. 179-189.