Letters to Lord ***** on A caveat against emigration to America : with the state of the island of Cape Breton, from the year 1784 to the present year : and suggestions for the benefit of the British settlements in America : lately published by William Smith, Esq., formerly surgeon physical on the military establishment of that island, and late chief justice thereof. - Des Barres, Joseph F. W. ([publisher not identified],, 1804)