by (United Kingdom)G.Leech;by (United States)S.A.Leonard; by (United Kingdom)G.N.Leech;by (United States)L.McCleand; by (United Kingdom)G.Lukacs;by (United States)G.R.Kaiser; by (United Kingdom)M.James;by (United States)E.J.LeCuyer; by (United Kingdom)T.D.Lee;by (United States)G.D.Mahan; by (United Kingdom)L.Leithold;by (United States)H.L.Loomis; by (United Kingdom)G.R.Walsh;by (United States)M.A.Wolfe; by (United Kingdom)J.D.Lenk;by (United States)B.Beizer; by (United Kingdom)M.Booth;by (United States)S.Barney; by (United Kingdom)R.Barne;by (United States)S.Baker;