The British general election of 1979 by David Butler and Dennis Kavanagh.

by Butler
Published 1980

The British general election of 2001 David Butler, Dennis Kavanagh.

by Butler
Published 2002

Secret messages : cancealment, codes and other types of ingeniaus communication WWilliam S.Butter and L.Dauglas Keeney.

by Butler, William S.
Published 2001