A journey over land to India, partly by a route never gone before by any European, by Donald Campbell, of Barbreck, Esq. Who Formerly Commanded A Regiment Of Cavalry In The Service Of His Highness The Nabob Of The Carnatic. In a series of letters to his son. Comprehending His Shipwreck And Imprisonment With Hyder Alli, And His Subsequent Negociations And Transactions In The East.