Letter from C. G. Memminger to William H. W. Barnwell concerning his success in reviving the Sunday School in Rock Hill, SC, and his guilt over feeling proud of the accomplishment. October 8, 1841.
Letter from William J. Boone to William H. W. Barnwell with news of the loss of his wife and the status of his missionary work in China. Boone writes that the recently ended war and subsequent treaty should open up new areas to missionary work but that he may have to return to America with his children "to see them perhaps no more & come out again a solitary man." November 3, 1842.
Rev. Stephen Tyng of Philadelphia writes to William H. W. Barnwell about his inability to find a clergyman meeting Barnwell's specific qualifications. April 3, 1843.
Letter from William H. W. Barnwell to his sons, Robert and Edward, about the birth of a brother, Stephen, and the serious illness of another brother, Willie. April 21, 1842.
Letter from Rev. James W. Cooke to William H. W. Barnwell confirming the death of Bishop William Boone's wife in China while performing missionary work with her husband. Rev. Cooke includes a list of medical supplies needed for the mission and asks Barnwell for help in obtaining them. April 4, 1843.
Letter from Rev. James H. Thornwell to William H. W. Barnwell discussing their different opinions on religious doctrine and lamenting the growing influence of "Popery". April 21, 1843.
Letter from Jeremiah Murphy to William H. W. Barnwell asking for contributions to build a church in Lincolnton, NC, and writing of local "persecution" of Episcopalians from other Protestant churches. June 26, 1843.
Rev. James H. Fowles writes to William H. W. Barnwell asking for him or another clergyman to "supply my pulpit" while he convalesces in Glenn Springs, SC. July 29, 1843.