Letters and writings document the life and work of Daniel Webster Crofts, an American missionary serving under the China Inland Mission, primarily in Guizhou Province, China from 1895 to 1944. Detailed letters written to the Crofts children describe the evangelization and literature distribution work of Crofts and his first wife Verna Hammarén Crofts and his second wife Mabel Harlow Crofts, as well as their way of life in a rural area beset by famine, and political disruption.