A new map of the counties of Orkney, Caithness, Sutherland, Ross & Cromarty [and Shetland]. Drawn from the best authorities /
Conder, Thomas.
[London] : A. Hogg,
[1786]
A photographic reproduction of a map in: Complete historical descriptions of a new and elegant collection of picturesque views and representations of the antiquities of England and Wales ... to which are added ... a complete set of the county-maps of England, Scotland, and Ireland ... [By] Henry Boswell. Vol. 2.
Orkney and Shetland are inset and on a slightly reduced scale.