Correspondence re. Welsh Ordnance Survey maps
Correspondence re. Welsh Ordnance Survey maps
Letters from J. Gwenogvryn Evans to O. M. Edwards
Letters from J. Gwenogvryn Evans to O. M. Edwards
Catalogue of Hengwrt manuscripts,
Catalogue of Hengwrt manuscripts,
Catalogue of Hengwrt manuscripts,
Catalogue of Hengwrt manuscripts,
J. Gwenogvryn Evans,
J. Gwenogvryn Evans,
General letters to O. M. Edwards
General letters to O. M. Edwards