Snyder, Laura Mae, Mrs. Earl Ludwig, Richard W. Noll, William N. Kline, Joshiah W. Leinbach, Charles S. Adams (chair), John E. Esterly books & textbook

Historic Review of the Sunday Schools in Berks County, Pennsylvania from 1875 to 1950 and the History of the Development of the American Sunday School

Snyder, Laura Mae, Mrs. Earl Ludwig, Richard W. Noll, William N. Kline, Joshiah W. Leinbach, Charles S. Adams (chair), John E. Esterly; Rev. Paul J. Dundore

Berks County Sunday School Association /1950T Hardcover