A medieval Welsh mystical treatise /
Daniel, R. Iestyn.
University of Wales Centre for Advanced Welsh and Celtic studies.
Aberystwyth : Canolfan Uwchefrydiau Cymreig a Cheltaidd Prifysgol Cymru,
1997.
Includes bibliographical references.
Includes quotations from Welsh text with English translations.
Ymborth yr enaid.
Welsh literature
Manuscripts, Welsh.