Editors. "Moscow show trials begin". The Literary Encyclopedia. First published 01 May 2009
[http://www.litencyc.com/php/stopics.php?rec=true&UID=7167, accessed 19 May 2013.]
The Moscow Trials were a series of trials of political opponents of Joseph Stalin during the Great Purge. Many of the defendants were executed. The purpose of the trials was to eliminate any potential political challengers to Stalin's authority, especially Old Bolsheviks.