An union of England and Ireland proved to be practicable and equally beneficial to each kingdom : with supplementary observations relative to the absentees of Ireland, pointing out the constitutional means of removing complaints arising from that and other causes of present discontent, and finally for conciliating the desires of each country : to which is added, a collateral reply to the Dean of Glocester's Advice to the Irish to trade with foreign in preference to the British colonies / by John Williams, Esq.