Gwylfa-Hiraethog (Unclassified).
Grid Reference: SH 94750 59037. Parish: Bylchau, Denbighshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Moel Blaen-y-cwm or Moel Gwylfa (Unclassified).
Grid Reference: SJ 01577 27708. Parish: Llangynog, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Moel Gwylfa (Unclassified).
Grid Reference: SJ 01530 27627. Parish: Llangynog, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Part of Disgwylfa Land (Field).
Grid Reference: SN 61562 29429. Parish: Talley, Carmarthenshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Pen Disgwylfa (Unclassified).
Grid Reference: SS 82375 93511. Parish: Port Talbot, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Pen y ddisgwylfa (Field).
Grid Reference: SN 94321 53877. Parish: Llanafan Fawr, Brecknockshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Pen-disgwylfa,Pe.-disgwylfa (Unclassified).
Grid Reference: SN 60411 57784. Parish: Betws Lleucu, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Tan-disgwylfa (Unclassified).
Grid Reference: SN 76754 69281. Parish: Upper Gwnnws, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Twyn Ddisgwylfa (Unclassified).
Grid Reference: SO 01159 05538. Parish: Aberdare, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Twyn Ddisgwylfa Fâch (Unclassified).
Grid Reference: SO 04310 02526. Parish: Aberdare, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website