Bilingual traffic signs =: Arwyddion ffyrdd dwyieithog : report of the Committee of Inquiry under the chairmanship of Roderic Bowen 
Subtitle: presented to Parliament ... of Her Majesty, August 1972 (Cmnd. ; 5110)
Publisher: H.M. Stationery Off
Published: 1972
Language: eng
Number of pages: 130
ISBN-13: 9780101511001