Aberdeenshire Commissioners of Supply: Robertson's Map Papers - Copy letters from Thomas Burnett to John Menzies regarding the submission of the Map (1823) Burnett informs Menzies that Alexander Crombie believes Robertson's maps cannot be received by the Map Committee as a work executed in accordance with his own prospectus, and that if Robertson sends his copies to Aberdeen he will do so at his own risk. 9 - 11 July 1823