Encouragement to missionary effort among Mohamedans : A sermon, / by the Rev. Horatio Southgate, Jun. missionary of the Protestant Episcopal Church in the United States of America, to Persia, &c. ; To which are annexed, an account of the meeting held at the Church of the Ascension, on the evening of Easter Sunday, April 3, 1836. With the address delivered thereat by the Rev. Mr. Southgate, and his letter of instructions. ; Published by order of the Foreign Committee of the Board of Missions, by the Rev. James Milnor, D.D. secretary and general agent of said committee.