by A.E.Hall...[et al] G.A.E.Gall...[et al] Robert E.Hall...[et al] J.L.Hall...[et al] by P.N.Campbell...[et al] David O.Hall...[et al] D.S.Hill...[et al] John W.Hill...[et al] by S.M.Marsjall...[ed al] Edited by I.R.Hill...[et al]