Four letters to the Earl of Carlisle, from William Eden, Esq. [microform] : on certain perversions of political reasoning, and on the nature, progress, and effect of party-spirit and of parties, on the present circumstances of the war between Great Britain and the combined powers of France and Spain, on the public debts, on the public credit, and on the means of raising supplies, on the representations of Ireland, respecting a free-trade.