Letters to the Honourable Mr. Justice Blackstone concerning his exposition of the Act of Toleration, and some positions relative to religious liberty, in his celebrated commentaries on the laws of England. By Philip Furneaux, D. D. with Additions, and An Appendix, containing Authentic Copies of the Argument of the late Honourable Mr. Justice Foster in the Court of Judges Delegates, and of the Speech of the Right Honourable Lord Mansfield in the House of Lords, in the Cause between the City of London and the Dissenters