By Coveney, Peter, Highfield, Roger, Peter Coveney, Roger Highfield
By Highfield, Roger
By Highfield, Dr. Roger, Coveney, Peter
By Nowak, Martin, Highfield, Roger
By Zernicka-Goetz, Magdalena, Highfield, Roger
By Coveney, Peter, Highfield, Roger
By Coveney, Peter V., Highfield, Roger
By Roger Highfield, Highfield, Roger
By McFarlane, K.B., Highfield, J.R.L., Harriss, G.L.