The British Library lists E. Coles as a Medical Practitioner at Richmond, county Surrey. He wrote letters to Sloane between 1718 and 1726.
E. Coles to Hans Sloane, 1718-10-28, Sloane MS 4075, f. 11, British Library, London
Explore Archives and Manuscripts Catalogue, British Library, [Listing for Sloane MS 4075, accessed 20/09/2017]
Relationship to Sloane: Virtual International Authority File: