by (United States)James F.Engel ...et;by (United States)R.J.Barro; by (United States)James F.Shepherd;by (United States)M.Meserole; by (United States)M.P.Dolciani...et al;by (United States)D.R.Barr; by (United States)James W.Vander Zanden;by (United States)James A.Senn; by (United States)James F.N.;by (United States)Perry J.R.; by (United States)R.A.Alberty;by (United States)G.M.Barrow; by (United States)J.Reilly...et al;by (United States)L.J.Berliner; by (United States)James P.Schaffer...et al; (United States)Editorial; by (United States)H.A.Enge...et al;by (United States)C.F.Fischer; by (United States)J-R.Barra...et al;by (United States)J.O.Berger;