Investigation of ... the Duke of York (1809).
The Investigation of the Charges Brought Against His Royal Highness the Duke of York, Commander in Chief: With the Remarks of the Members and the Whole of the Evidence, Official Papers, etc. from the Most Authentic Documents. Published by J. Stratford, 1809:
Vol.1:
http://books.google.com/books?id=WoJnAAAAMAAJ