Ordnance Survey Welsh language scheme.
Great Britain.Ordnance Survey.
Welsh Language Board.
[Southampton] : Ordnance Survey,
2001.
Bound back to back and inverted.
"This scheme has been prepared in accordance with section 21(3) of the Welsh Language Act 1993 and has received the full endorsement of the Welsh Language Board."
"v1.0 Mar 2001."