Title: The first two Moscow trials
Subjects: Trials, Moscow Trials, Moscow, Russia, 1936-1937
Places: Soviet Union
People: G. L. Pi︠a︡takov (1890-1937), Grigoriǐ I︠Ad︡ovlevich Sokol'nikov (1888-), Grigoriǐ Zinov'ev (1883-1936), Karl Radek (1885-1939), Lev Borisovich Kamenev (1883-1936)