Yr Amgylchfyd, Add to clipboard Blwch 99 87/365. File Awst 1989-Gorffennaf 1991. Part of Papurau Ieuan Wyn Jones
Yr Wylfa, Add to clipboard Blwch 91 87/174. File Mai 1989-Ionawr 1994. Part of Papurau Ieuan Wyn Jones