An essay upon public credit [electronic resource] : being an enquiry how the public credit comes to depend upon the change of the ministry, or the dissolutions of Parliaments; and whether it does so or no? With an argument, Proving that the public credit may be upheld and maintained in this Nation, and perhaps brought to a greater Height than it ever yet arrived at; though all the Changes or Dissolutions already made, pretended to, and now discoursed of, should come to pass in the World: By Robert Harley, Esq. afterwards earl of oxford, and lord high treasurer of Great Britain; First printed, 1710. With short historical notes, explaining the difficult Passages.