O'Donoghue, Y., & Ordnance Survey. (1977). William Roy, 1726-1790: Pioneer of the Ordnance Survey. British Museum Publications Ltd.
MLA CitationO'Donoghue, Yolande, and Ordnance Survey. William Roy, 1726-1790: Pioneer of the Ordnance Survey. British Museum Publications Ltd, 1977.
Warning: These citations have been automatically generated and may not always be 100% accurate..