"Moscow trials" . . . "Moscow Trials" . . "Trial of the Sixteen" . "trial" . . "Moscow Show Trial" . . "show trials" . . . "Moscow trials" . "Moscow Show Trials" . . "Moscow show trials" . . . . . . "Moscow trial" . . . . . "executed" . . . . "Moscow show trial" . "The Moscow Trials" . . "Soviet show trials" . . "trials were held in Moscow" . . "show trial" . . "Russian Trotskyist trials" .