by (United States)F.L.Head;by (United States)K.Jamsa; by (United States)H.Bender;by (United States)K.Jamsa; by (United States)F.H.Field;by (United States)H.Ibach; by (United States)S.C.Lee;by (United States)K.J.Gasvik; by (United States)F.H.Read;by (United States)R.A.Carrigan; by (United States)F.Reif;by (United States)F.Reif; by (United States)H.Heyer;by (United States)K.O.Ondar; by (United States)M.A.Hitt;by (United States)F.E.Kast; by (United States)F.E.Kast;by (United States)H.Kootz; by (United States)F.G.Smith;by (United States)E.Wolf;