Welfare, Humphrey <br/><br/>
General William Roy, 1726-1790: Father of the ordnance Survey 

 -  Walter de Gruyter  Walter de Gruyter  2022 
<br/><br/><label>ISBN: </label>9781399505802 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History