Blaen nant-t-gwyddyl (Unclassified).
Grid Reference: SN 88092 07860. Parish: Neath Higher, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Dolgwyddyl bella (Field).
Grid Reference: SN 95046 84089. Parish: Llanidloes Boro, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Dolgwyddyl nesa (Field).
Grid Reference: SN 95135 84111. Parish: Llanidloes Boro, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

First dolgwyddyl (Field).
Grid Reference: SN 94908 83974. Parish: Llanidloes Boro, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Muriau'r Gwyddyl (Unknown).
Grid Reference: SH 65788 37307. Parish: Llandecwyn, Merionethshire
When recorded: . Primary Source: none. Secondary Source: Merionethshire Inventory RCAHMW

Nant Gwyddyl (Unclassified).
Grid Reference: SN 88452 07394. Parish: Neath Higher, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Rhos y gwyddyl (Field).
Grid Reference: SH 85848 65502. Parish: Llangernyw, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Rhos y gwyddyl isa (Field).
Grid Reference: SH 86832 66053. Parish: Llangernyw, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Second dolgwyddyl (Field).
Grid Reference: SN 94998 84006. Parish: Llanidloes Boro, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Third dolgwyddyl (Field).
Grid Reference: SN 95097 84027. Parish: Llanidloes Boro, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin