Amongst his significant works were Scotland, The Making of the Kingdom (1975) and Regesta Regum Scottorum, v; The Acts of Robert I, 1306-1329 (1988). He was Clerk of Senate (an office with status equivalent to a vice-principal) from 1978 to 1983, retired in 1993 becoming emeritus professor, and was dean of faculties from 1998 until 2000.
This individual is recognized for his significant works: "Scotland, The Making of the Kingdom" (1975) and "Regesta Regum Scottorum, v; The Acts of Robert I, 1306-1329" (1988). He held a prestigious position as Clerk of Senate from 1978 to 1983. After retiring in 1993, he became an emeritus professor and served as dean of faculties from 1998 until 2000.