John Drinkwater Bethune, A History of the Late Siege of Gibraltar 
Additional Descriptive Data
The Clements Library holds a published version of this volume, apparently identical to the manuscript except for an additional address to the King, a list of subscribers, and illustrations:
Bethune, John Drinkwater. A History of the Late Siege of Gibraltar: With a Description And Account of That Garrison, From the Earliest Periods. 2d ed., corrected; with a copious table of contents. London: Printed by T. Spilsbury, Snowhill, 1786.
Espinasse, Francis, and David Gates. "Drinkwater, John (1762-1844)." Oxford Dictionary of National Biography. Oxford University Press, 2004. DOI:10.1093/ref:odnb/2309