The duty and reward of the clergy. A sermon Preach'd in the Cathedral Church of Peterborough, On Sunday the 20th of Sept. 1719. At the Primary Ordination of the Right Reverend Father in God, the Lord Bishop of that Diocese. Publish'd at the Desire of the several Persons who were then admitted into Holy Orders. By John Russell A. M. Fellow of Merton College in Oxford, and Chaplain to the Ld. Bp. of Peterborough.