By Andrew Brodie
By A & C Black Publishers
By Garda Turner
By Peterson, Ivars
By Ruddiman, William F.
By Johll, Matthew
By GCHQ
By Dudeney, Henry
By Caswell, Fred
By Paull, Dorothy
By Hurt, Roger, Hurt, Mary
By Dineen, Jacqueline, Dillow, John
By Unknown
By Newman, Graham, Hogan, Paul, Job, Barbara
By Baines, Andrew
By Ryan, Lawrie, Ellis, Peter, Macdonald, Averil
By Tipler, M J
By Tipler, M J, Vickers, K M
By Dul, Jan, Weerdmeester, Bernard
By Langley, Paul, Crawshaw, D. J.
By Shephard, Tristram, Loft, Andrew, Shepard, Tristram