by Harold E. Helms ... [et al.]. Harold E. Fearon ... [et al.]. Harold S. Stone ... [et al.]. by Edward E. Smith ... [et al.]. by Hartmut Stadtler ... [et al.]. by Henry C. Sherman ... [et al.]. Harold T. Amrine ... [et al.]. by Harry Shulman ... [et al.] by Elbert C. Herrick ... [et al.]. by Harold E. Palmer.