edit by Kelvin L.Seifert...[et al edit by Kelvin L.Seifert...[et al] edited by William W.Seifert...[et al edited by William W.Seifert...[et al] edit by Marvin L.Bittinger...[et al edit by Lon Seiger...[et al edit by Marvin Perry...[et al edit by Sylvan Barnet...[et al edit by Belverd E.Needles...[et al edit by Lansing M.Prescott...[et al