An essay on the history of parties, [electronic resource] : and persecution in Britain; beginning, with a brief account of the Test-Act, and an historical enquiry into the reasons, the original, and the consequences of the occasional conformity of dissenters. With some Remarks on the several Attempts already made, and now making for an Occasional Bill. Enquiring how far the same may be esteem'd a Preservation to the Church, or an Injury to the Dissenters.