Volume 4 includes plates and descriptions for Lincluden College, Dumfries, Maybole Tower, Ayr, Melrose Abbey, Roxburgh,. Michael Kirk, Elgin, Midmar Castle, Aberdeen, St. Monance Church, Fife, Muchalls House, Kincardine, New Abbey, Dumfries, Newark Castle, Port Glasgow (Renfrew), Noltland Castle, Westray, Orkney, Paisley Abbey, Renfrew, Pinkie House, Edinburgh, Rosslyn Chapel, Edinburgh, Ruthven Castle, or Huntingtower, near Perth, Seton Chapel, Haddington, Spynie Palace, Elgin, Stewart Castle, Inverness, Stirling, Tantallon Castle, Haddington, Tolquhon Castle, Aberdeen, Towie by Turref, Aberdeen, Udny Castle, Aberdeen, Wintoun House, Haddington.