Erw pen llydan (Field).
Grid Reference: SH 87861 61098. Parish: Gwytherin, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Erw pen llydan (Field).
Grid Reference: SJ 03454 12589. Parish: Llangadfan, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Erw pen llydan (Field).
Grid Reference: SJ 03454 12589. Parish: Llangadfan, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Erw pen Llydan (Field).
Grid Reference: SJ 18613 37318. Parish: Llansanffraid Glynceiriog, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Field in Cwmllydan issaf (Field).
Grid Reference: SN 48102 29984. Parish: Llanllawddog, Carmarthenshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Fin Llydan (Field).
Grid Reference: SJ 20820 12529. Parish: Guilsfield, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Gelli'r llydan (Field).
Grid Reference: SN 66586 69488. Parish: Llanilar, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Gelly Llydan House & Garden (Field).
Grid Reference: SH 58814 43474. Parish: Dolbenmaen, Caernarfonshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Gilfach Cwmllydan (Field).
Grid Reference: SN 48206 31461. Parish: Llanllawddog, Carmarthenshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Glyn-llydan (Settlement).
Grid Reference: SN 67981 19220. Parish: Llangadog, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website