Peter Lees: papers rel to his work at Dounreay and Thurso Technical College incl various nuclear plans, hand-written notes, academic literature, photographs c1950-1980 (GB1741/P1000)
Sinclair family, Earls of Caithness: resignation in Favour of William, Earl of Caithness and Lord de St Clare, Lands of Noss, per Oliver Sinclair one of the sons of the said Earl 1476 (GB1741/P957)