GB 231 MS 2820 Notes made by Thomas Ross on Stirling Castle; Marr's Wark , or Lodging; and on Stirling Parish Church, c 1911 - 1914. Possibly used by W. Douglas Simpson (1896 - 1968), Librarian, Aberdeen University, when compiling notes on Stirling Parish Church in 1964 (see GB 231 MS 2818/12), where reference is made to restoration work there by Thomas Ross in 1911 - 1914.
GB 231 MS 2910 Papers of Thomas Ross, architect, c 1890 - 1921, principally plans and sketches of castles and other buildings; with some related material from W. Douglas Simpson (1896 - 1968), Librarian, Aberdeen University.
GB 231 MS 3169 Collection of plates and related papers illustrating Scottish architecture, bound into a single volume (257 leaves), 1901