Segontium Roman fort Caernarvonshire =
Subtitle: Caer Rufeinig SegontiumSir Caernarfon
By: by G.C.Boon.
Contributors: Great Britain. Department of the Environment.; Great Britain. Welsh Office.
Edition: 2nd ed.
Series: Official guidebook (Department of the Environment)
Publisher: HMSO
Published: 1963
Place of publication: London
Language: eng
Number of pages: 31
Notes: At head of title: Prepared by the Department of the Environment on behalf of theWelsh Office.

With short section in Welsh.