
Roberts, Richard Arthur 1851- The Court Rolls of the Lordship of Ruthin or Dyffryn-Clwydd of the Reign of King Edward the First, Preserved in the Public Record Office, London. Edited, With Translation, Notes, Etc.

Strahan, Aubrey The Geology of the Neighbourhoods of Flint, Mold, and Ruthin. (Explanation of Quarter-sheet 79 S.E.)

Plaisted, Harold Mason The Williams History, Tracing the Descendants in America of Robert Williams of Ruthin, North Wales, Who Settled in Carteret County, North Carolina, in 1763