By Venker, Marty, Rush, George
By Andy Greenberg
By Hemming, Henry
By Cooper, John
By Binney, Marcus
By Lokhova, Svetlana
By Yuri Felshtinsky, Alexander Litvinenko
By Moore, Roger
By Andrew, Christopher, Gordievsky, Oleg
By Peter Wright with Paul Greengrass, Peter Wright, Paul Greengrass
By Knightley, Phillip
By John Farndon
By Alford, Stephen
By DK
By Deacon, Richard
By Holland, Jack, Phoenix, Susan
By Imperial War Museum, McKay, Sinclair
By Francis J. Suttill
By Lewin, Ronald
By Dorril, Stephen, Ramsey, Robin
By Richard Cullen
By Randle, Michael, Pottle, Pat
By Hayward, James
By John Sadler;Silvie Fisch
By Owen, David
By Thomas, Gordon
By Bailey, F. M., Hopkirk, Peter
By Minney, R. J.
By James Hayward
By Nigel West, Madoc Roberts