By Mendelsohn, E., Weingart, P., Whitely, R.D.
By Martin, R.D.
By Brown, David E., Neumann, Randall D., Neuman, R.D.
By Blackmore, R.D., Knights, Dr Pamela, Carabine, Dr Keith, Ann Baker
By Kroon, D., Norris, R.D., Klaus, A.
By Martin, R.D., Woolman, Steven
By Barnett, R.D.
By Hacking, R.D.
By Lockhart, R.D., etc.
By Clements, R.D.
By Wingfield, R.D.
By Miller, R.D.
By Purves, R.D.
By Adams, R.D., Comyn, J., Wake, W.C.
By Blackmore, R.D.
By Fritz, R.D., etc.
By Wingfield, R.D., R D, R. D.
By Reader's Digest Association, By The Editors, R.D.
By Lockhart, R.D.
By Laing, R.D., R. D.
By Rade, Lennart, Nelson, R.D.
By Laing, R.D., Laing R.D.
By Blackmore, R.D., E. F Dodd
By Catterall, R.D.
By Wimmer, R.D., Dominick, J.R.
By Laing, R.D.
By Thompson, R.D., Mannion, Dr A, Mitchell, C.W., Parry, Townshend, J.R.S.