Aberdeenshire Commissioners of Supply: Robertson's Map Papers - Copy letter from Thomas Burnett to Russell, Anderson and Tod regarding Robertson's demands from the Map Committee (1823) In reply to Russel, Anderson and Tod's letter of 20 August, communicating Robertson's demands for £2,100 sterling for constructing the map of Aberdeenshire, directing them to his communications with Robertson, and informing them of his intentions to call a meeting of the Map Committee. 22 August 1823