Second Congress of the Comintern. (1920)
Availability of videosources
1, 2, 3, 4, 5;
Needs clarification of possibility of digitizing.
2nd Congress of the Comintern; participants include I. V. Stalin, V. M. Molotov, M. I. Kalinin, N. A. Uglanov, A. I. Rykov, L. M. Karakhan, N. Bukharin, and S. M. Kirov.