by G. W. A. Dummer. [by] G. W. A. Dummer. Edited by G. W. A. Dummer. edited by G. W. A. Dummer. by John W. Palmer. G.W.A. Dummer. [by] W. Summer. by Samuel M. Zwemer. by Harold E. Palmer. by L. Lov鈇sz and M.D. Plummer.