The duty of a people to strengthen the hands of their minister, on account of human imperfection, and the importance of the ministerial office [microform] : illustrated in a sermon, delivered at Concord, / by Asa M'Farland, Pastor of the church in Concord, on the 11th day of March, 1798, the next Sabbath after his ordination to the work of the ministry. ; Now published, from the press, in compliance with the desire of many of the hearers.