The alkali and coinage metals, J.L.Wardell; the alkaline earths and zinc and its congeners, J.L.Wardell; boron with the exception of the carbaboranes, J.W.Wilson; carbaboranes including their metal complexes, T.R.Spalding; aluminium, gallium, indium and thallium, P.G.Harrison; the silicon group, D.A.Armitage; arsenic, antimony and bismuth, J.L.Wardell; metal carbonyls, B.J.Brisdon; organometallic compounds containing metal - metal bonds, M.J.Went; ligand substitution reactions of metals and organometal carbonyls with group V and VI donor ligands, D.A.Edwards; complexes containing metal - carbon sigma-bonds of the groups scandium to manganese, including carbenes and carbynes, Mark J.Winter; complexes containing metal - carbon sigma-bonds of the groups iron, cobalt and nickel, D.L.Davies; metal - hydrocarbon pi-complexes other than pi-cyclopentadienyl and pi-arene complexes, M.W.Whiteley; pi-cyclopentadienyl, pi-arene and related complexes, A.H.Wright; homogeneous catalysis by transition metal complexes, M.Bochmann; structures of organometallic compounds determined by diffraction methods, D.R.Russell.