World Churches Vertical File, McGarvey Ice
Center for Restoration Studies Vertical Files Finding Aids

The Harvest Field: 1958 Edition, Howard L. Schug, J.W. Treat, Robert L. Johnston Jr.
Stone-Campbell Books

"They Went to the Philippines": Biographies of Missionaries of the Disciples of Christ, [Department of Missionary Education, United Christian Missionary Society]
Stone-Campbell Books

The Harvest Field, Howard L. Schug, Don H. Morris
Stone-Campbell Books