A letter to Wm. Wilberforce, Esq. M.P. on the subject of impressment : calling on him and the philanthropists of this country to prove those feelings of sensibility they expressed in the cause of humanity on Negro slavery by acting with the same ardour and zeal in the cause of British seamen. - Urquhart, Thomas. (Published by R.S. Kirby for the benefit of the Maritime Society,, 1816)