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 letter to his son. Comprehending his shipwrick and imprisonment with Hyder Alli and his subsequent negotiationa and transactions in the East. ; [Two lines of Latin quotation]