The gospel minister's maintenance vindicated : Wherein, a regular ministry in the churches, is first asserted, and the objections against a Gospel maintenance for ministers, answered. Also, the dignity, necessity, difficulty, use and excellency of the ministry of Christ is opened. Likewise, the nature and vveghtiness of that sacred vvork and office clearly evinc'd. Recommended to the baptized congregations, by several elders in and about the City of London.