- Beevor, Antony1
- Brody, Elaine1
- Cohn-Bendit, Daniel1
- Collins, Larry1
- Colloque sur l'expérience soviétique et le problème national dans le monde, 1920-19391
- Economic Conference on South-Eastern Europe1
- Hervé, Lucien1
- IAnovskii, V. S.1
- International Workingmen's Association1
- Kautsky, Karl1
- Konarski, Szymon1
- Kopczyński, Krzysztof1
- Krejcsi, Rezső,1
- Marx, Karl1
- Symposium on the Role of Karl Marx in the Development of Contemporary Scientific Thought1