A vindication of the brethren who were unjustly and illegally cast out of the Synod of Philadelphia, by a number of the members, from maintaining principles of anarchy in the church, and denying the due scriptural authority of church judicatures : against the charges of the Rev. Mr. John Thompson, in his piece entituled, The government of the Church of Christ, &c. By Samuel Blair, Minister of the Gospel of Christ at New-Londonderry in Pennsylvania.