http://es.wikipedia.org/wiki/Benjamin_Donn

Tooley's dictionary of mapmakers---(Donne, [Donn], Benjamin (1729-1798))

This Map of the Country 11 Miles round the City of Bristol...., 1769?---Delineated from an Actual survey... by their hnble. Servant B. Donn

The British Catalogue of Printed Maps---(Donne, Benjamin)