Scope and Contents Auldbar was bought in 1753 by William Chalmers, a Gibraltar merchant whose family had owned land in Aberdeenshire, at Federate and Hazlehead. His father and brother were physicians in Aberdeen, and the papers as arranged below begin with medical records of these men. An important section concerns the trade and administration of Gibraltar in the second quarter of the 18th century, and there is also much mercantile correspondence of the 18th and early 19th centuries. As with the rest of this...