by (United States)Fredric H.Genck;by (United States)L.J.Briggs; by (United States)G.Gratzer;by (United States)L.C.Brove; by (United States)F.C.Watkins;by (United States)D.J.Borror; by (United States)Frederick H.;by (United States)Robert B.E.; by (United States)L.D.Rezenberg;by (United States)R.J.Urick; by (United States)Frederick R.K.;by (United States)Robert S.F.; by (United States)J.Reilly...et al;by (United States)L.J.Berliner; by (United States)Francis H.Raven;by (United States)Jasprit Singh; by (United States)L.A.Hill;by (United States)L.A.Hill; by (United States)D.D.Berkey;by (United States)L.Brand;