Robert I.Mehr; coordinating editor, Roger H. Hermanson. [by] Robert D. Mason. Coordinating editor: Roger H. Hermanson. Delbert J. Duncan ; coordinating editor: Roger H. Hermanson. [by] Robert N. Anthony. Coordinating editor, Roger H. Hermanson. J. Fred Weston ; coordinating editor, Roger H. Hermanson. [by] Glenn A. Welsch. Coordinating editor: Roger H. Hermanson. [by] Richard W. Hostrop. Coordinating editor: Roger H. Hermanson. [by] Elwood S. Buffa; coordinating editor Roger H. Hermanson. [by] Richard H. Howland. Coordinating editor: Roger H. Hermanson. Assisted by Harry H. Bingham. Coordinating editor: Roger H. Hermanson.