The duty of Christians to pray for the missionary cause a sermon preached in Boston, November 1, 1827, before the Society for Propagating the Gospel among the Indians and Others in North America This book, "The duty of Christians to pray for the missionary cause a sermon preached in Boston, November 1, 1827, before the Society for Propagating the Gospel among the Indians and Others in North America", by Ebenezer Porter, is a replication of a book originally published before 1827. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.